TY - JOUR AU - S. D. Ăˆidel'man AU - T. G. Pletneva TI - Positive solutions of parabolic systems and their integral representations JO - Doklady Akademii Nauk PY - 1973 SP - 787 EP - 790 VL - 208 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_208_4_a8/ LA - ru ID - DAN_1973_208_4_a8 ER -