%0 Journal Article %A N. L. Smirnova %A V. S. Kurazhkovskaya %A N. V. Belov %T Belov's symmetry subclasses for homologous series of structural minal bases %J Doklady Akademii Nauk %D 1977 %P 1094-1096 %V 237 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_237_5_a21/ %G ru %F DAN_1977_237_5_a21