Kun-Jen Chung (1991)

The Yugoslav Journal of Operations Research

Kun - Jen Chung (1995)

The Yugoslav Journal of Operations Research

Andreica, Mugurel Ionuţ, Ţăpuş, Nicolae (2009)

Acta Universitatis Apulensis. Mathematics - Informatics

Gani, J. (1998)

Journal of Applied Mathematics and Stochastic Analysis

Pinsky, Mark A., Basin, Michael V. (1998)

Mathematical Problems in Engineering

Sarhan, Ammar M., Tadj, L., Al-khedhairi, A., Mustafa, A. (2008)

APPS. Applied Sciences

Muh, David C.R. (1994)

Journal of Applied Mathematics and Stochastic Analysis

Richard A. Johnson, G. K. Bhattacharyya (1977)

Δελτίο της Ελληνικής Μαθηματικής Εταιρίας

O. Muron (1980)

RAIRO - Operations Research - Recherche Opérationnelle

F. Kervegant, N. Limnios, C. Cocozza-Thivent, A. Dubreuil-Chambardel (1992)

RAIRO - Operations Research - Recherche Opérationnelle

Naoto Kaio, Shunji Osaki (1984)

RAIRO - Operations Research - Recherche Opérationnelle

Shey-Huei Sheu, Chung-Ming Kuo, Toshio Nakagawa (1993)

RAIRO - Operations Research - Recherche Opérationnelle