@article{TM_1993_199_a0,
     author = {A. Yu. Kolesov and Yu. S. Kolesov},
     title = {Relaxational oscillations in mathematical models of ecology},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {3--124},
     publisher = {mathdoc},
     volume = {199},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1993_199_a0/}
}