00638nam a2200193Ia 4500020001500000082002500015100004400040245005500084260003400139300001400173490006300187500000500250690000600255700003500261952010700296964001700403921000900420999001500429 a354052567X a338.5230151bOk41.TO aOkugchi, Koji and Szidarovoszky, Ferenc aThe theory of oligopoly with multi-product firmsb aBerlinbSpringer-Verlagc1990 aiv, 167p. aLecture notes in Economics and Mathematical Systemv v.342 a a  aSzidarovoszky, Ferenc;jt.auth. 00104070aISIbISId1998-08-20l0o338.5230151 Ok41.TOpDP21752r2019-02-14 00:00:00w2019-02-14yBK abcdefg a5315 c5315d5315