%0 Journal Article %A A. G. Pinus %T On the implicit conditional operations defined on pseudouniversal classes %J Fundamentalʹnaâ i prikladnaâ matematika %D 2004 %P 171-182 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2004_10_4_a10/ %G ru %F FPM_2004_10_4_a10