%0 Journal Article %A A. A. Bugaevskii %T Certain properties of the formation function and its related quantities %J Doklady Akademii Nauk %D 1965 %P 140-142 %V 161 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_161_1_a37/ %G ru %F DAN_1965_161_1_a37