TY - JOUR AU - P. Besala TI - On the existence of a fundamental solution for a parabolic differential equation with unbounded coefficients JO - Annales Polonici Mathematici PY - 1974 SP - 403 EP - 409 VL - 29 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-29-4-403-409/ DO - 10.4064/ap-29-4-403-409 LA - en ID - 10_4064_ap_29_4_403_409 ER -