%0 Journal Article %A Morávek, Jaroslav %A Vlach, Milan %T On necessary conditions for a class of systems of linear inequalities %J Applications of Mathematics %D 1968 %P 299-303 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103176/ %R 10.21136/AM.1968.103176 %G en %F 10_21136_AM_1968_103176