TY - JOUR AU - G. N. Mil'shtein TI - On the problem of analytic construction of regulators for equations of parabolic and hyperbolic type JO - Differencialʹnye uravneniâ PY - 1972 SP - 678 EP - 695 VL - 8 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1972_8_4_a12/ LA - ru ID - DE_1972_8_4_a12 ER -