TY - JOUR AU - S. V. D'yachenko TI - Semigroups of almost negative type and their applications JO - Doklady Akademii Nauk PY - 1976 SP - 1306 EP - 1309 VL - 229 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_229_6_a5/ LA - ru ID - DAN_1976_229_6_a5 ER -