TY  - JOUR
AU  - Ya. L. Shapiro
AU  - V. A. Igoshin
AU  - E. I. Yakovlev
TI  - Some geodesic models and an expansion theorem for second-order differential equations of the second degree
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1983
SP  - 74
EP  - 76
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1983_6_a16/
LA  - ru
ID  - IVM_1983_6_a16
ER  -