%0 Journal Article %A V. V. Gorokhovik %A M. A. Trofimovich %T First and second order optimality conditions in vector optimization problems with nontransitive preference relation %J Trudy Instituta matematiki i mehaniki %D 2014 %P 81-96 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2014_20_4_a7/ %G ru %F TIMM_2014_20_4_a7