TY  - JOUR
AU  - N. Kh. Ibragimov
TI  - Group analysis of ordinary differential equations and the invariance principle in mathematical physics (for the~150th anniversary of Sophus~Lie)
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1992
SP  - 89
EP  - 156
VL  - 47
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1992_47_4_a1/
LA  - en
ID  - RM_1992_47_4_a1
ER  -