%0 Journal Article %A Abrham, Jaromír %T The multiplex method and its application to concave programming %J Czechoslovak Mathematical Journal %D 1962 %P 325-345 %V 12 %N 3 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1962.100521/ %R 10.21136/CMJ.1962.100521 %G en %F 10_21136_CMJ_1962_100521