TY - JOUR AU - Yu. F. Dolgiǐ TI - Properties of the monodromy operator of a~periodic system of differential equations of neutral type with deviating argument JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1988 SP - 23 EP - 29 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1988_9_a3/ LA - ru ID - IVM_1988_9_a3 ER -