@article{DAN_1987_294_3_a15,
     author = {A. Yu. Kolesov},
     title = {Stability of relaxation auto-oscillations in systems with},
     journal = {Doklady Akademii Nauk},
     pages = {575--578},
     publisher = {mathdoc},
     volume = {294},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_3_a15/}
}