TY - JOUR AU - V. I. Nazarov AU - D. T. Nguen TI - Solvability of linear differential equations in scales of Banach spaces which are constructed by given collection of linear unbounded operators JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1992 SP - 34 EP - 40 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1992_10_a6/ LA - ru ID - IVM_1992_10_a6 ER -