TY - JOUR AU - M. M. Glukhov TI - On a lattice-theoretical theorem of a kind similar to Grushko’s theorem JO - Doklady Akademii Nauk PY - 1961 SP - 994 EP - 997 VL - 138 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_138_5_a1/ LA - ru ID - DAN_1961_138_5_a1 ER -