TY - JOUR AU - F. O. Porper TI - Estimates of derivatives of the fundamental solution of the Cauchy problem in the half-space $t>0$ in the case of special parabolic equations of second order JO - Doklady Akademii Nauk PY - 1973 SP - 50 EP - 53 VL - 209 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_209_1_a11/ LA - ru ID - DAN_1973_209_1_a11 ER -