2 results
Yamada, Shigeru; Narihisa, Hiroyuki; Ohtera, Hiroshi
RAIRO - Operations Research - Recherche Opérationnelle, Volume 20 (1986) p. 51-60
Yamada, Shigeru; Osaki, Shunji; Narihisa, Hiroyuki
RAIRO - Operations Research - Recherche Opérationnelle, Volume 19 (1985) p. 87-104