[1] Radjef M.S. and Zhukovski V.I., Objection and counter-objection equilibrium in Differential Game under Uncertainty, International Journal Optimization (A Journal of Mathematical Programming and Operational Research), Volume: 50, 2001, pp. 459-475.

[2] Madaoui Katia, Aïssani Karima et Aïssani Djamil, Optimisation de la Restructuration Tarifaire à l'Entreprise Portuaire de Béjaïa. Proceedings of the Internationale Conference FRANCORO III, Quebec, May 2001, pp. 107 - 108.

[3] Aïssani D., In the book DBK, Edisud Ed. , Paris, 2001, pp. 132 - 135.

[4] Adjabi S., Abderrahmani H., Dehas N., Aïssani D., Movement's Simulation of the patient in the Khellil Amrane's Hospital. , Proceedings of the International Congres ICORD 2001, South Africa, May 2001, pp. 01 and others.

[5] Dehas N., Abderrahmani H., Aïssani D., Adjabi S. Movement's Modelisation of the patient in the Khellil Amrane's Hospital. Proceedings of the EURO XVIII (European Congres of the Operation Research), Rotterdam, July 2001..

[6] Aïssani D., Abderrahmani H., Dehas N., Adjabi S., Evaluation des performances d'un système de santé : cas de l'hôpital Khellil Amrane (Béjaïa). Actes de la Journée d'Etudes de Gestion des Systèmes de Santé, La Marsa (Alger), Juin 2001.

[7] Benaouicha M. et Aïssani D., Estimate of the Strong Stability in the G/M/1 Queueing System. In the Book "Applied Stochastic Models and Data Analysis", G. Govaert, J. Janssen and N. Limnios Editors, Compiègne 2001, Vol. I, pp. 172 - 177.

[8] Berdjoudj L., Aïssani A. et Aïssani D., Strong Stability in a Retrial Queue. Proceedings of the XXI International Seminar on the Stability Problem on Stochastic Models, Eger (Hungary), January 2001, pp. 48 - 49.

[9]Cherfi L. and Radjef M.S., Existence of the Nash - Geoffrion Equilibrium in the Differential Games under Uncertainty. Proceedings of the EURO XVIII (18-th European Conference on Operational Research), Rotterdam, July 2001.

[10] Radjef Sonia, Finding an Initial Efficient Extreme Point for Multiple Objective Linear Programs with Bounded Variables Proceedings of the EURO XVIII (18-th European Conference on Operational Research), Rotterdam, July 2001.

[11] Radjef Sonia, Test for Nonbasic Variable Efficiency in Multiple Objective Linear Programs with Bounded Variables Proceedings of the EURO XVIII (18-th European Conference on Operational Research), Rotterdam, July 2001.

[12] Aïssani D., George Marçais et la ville de Béjaïa. In the Book " Deux Savants Passionnés du Maghreb ", Institut du Monde Arabe et Unesco Ed., Paris, 2001, pp. 67 - 70.

[13] Djellab N., M/G/1 retrial queue with random breakdowns and general retrial times, Proceedings of the International Conference "Modern Mathematical Methods for Investigating Computer Communication Networks", Minsk (Belarus), January 2001, 73 - 78.

[14] Medjoudj R. et Aïssani D., Modèles de Chocs pour l'Analyse de Fiabilité des Equipements d'un Poste Electrique : cas d'usure des contacts de disjoncteurs de Rupture Brutale. Acceptée pour communication aux Journées d'Etudes Universités - Entreprises, Béjaïa les 27 et 28 Mai 2001.