%0 Journal Article %A N. L. Smirnova %A N. V. Belov %T Possible homologous series and frequency of simple forms %J Doklady Akademii Nauk %D 1984 %P 633-636 %V 279 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_279_3_a27/ %G ru %F DAN_1984_279_3_a27