TY  - JOUR
AU  - V. I. Rozhkov
TI  - An asymptotic power series expansion of the retardation of a periodic solution of an equation of neutral type with small retardation
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 1250
EP  - 1257
VL  - 4
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_7_a8/
LA  - ru
ID  - DE_1968_4_7_a8
ER  -