TY - JOUR AU - I. V. Gribkov TI - The incorrectness of Schur's theorem JO - Doklady Akademii Nauk PY - 1980 SP - 1304 EP - 1307 VL - 252 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_252_6_a4/ LA - ru ID - DAN_1980_252_6_a4 ER -