%0 Journal Article %A K. Hrbacek %T Some remarks on nonstandard theory of classes %J Fundamentalʹnaâ i prikladnaâ matematika %D 2005 %P 233-255 %V 11 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2005_11_5_a17/ %G ru %F FPM_2005_11_5_a17