TY - JOUR AU - P. V. Berkhin TI - A selfadjoint boundary-value problem for the system $*du+\lambda u=f$ JO - Doklady Akademii Nauk PY - 1975 SP - 15 EP - 17 VL - 222 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_222_1_a1/ LA - ru ID - DAN_1975_222_1_a1 ER -