TY - JOUR AU - I. A. Makarov TI - Extension of the applicability of formulas to negative values of parameters of equations with singular coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1978 SP - 87 EP - 95 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1978_5_a10/ LA - ru ID - IVM_1978_5_a10 ER -