TY  - JOUR
AU  - A. K. Zvonkin
AU  - M. A. Shubin
TI  - Non-standard analysis and singular perturbations of~ordinary differential equations
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1984
SP  - 69
EP  - 131
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1984_39_2_a1/
LA  - en
ID  - RM_1984_39_2_a1
ER  -