TY - JOUR AU - F. O. Porper AU - S. D. Ăˆidel'man TI - Two-sided estimates of fundamental solutions of second-order parabolic equations, and some applications JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1984 SP - 119 EP - 178 VL - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1984_39_3_a2/ LA - en ID - RM_1984_39_3_a2 ER -