%0 Journal Article %A Ć ajda, Jozef %T On probability of first order formulas in a given model %J Kybernetika %D 1979 %P 261-271 %V 15 %N 4 %U http://geodesic.mathdoc.fr/item/KYB_1979_15_4_a1/ %G en %F KYB_1979_15_4_a1