%0 Journal Article %A G. G. Shchepin %T On the occurrence problem for a nilpotent product of finitely presented groups %J Doklady Akademii Nauk %D 1965 %P 294-297 %V 160 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a11/ %G ru %F DAN_1965_160_2_a11