@article{SM_2000_191_4_a4,
     author = {Yu. S. Kolesov},
     title = {Non-classical relaxation cycle of a~three-dimensional system of {Lotka{\textendash}Volterra} equations},
     journal = {Sbornik. Mathematics},
     pages = {567--581},
     year = {2000},
     volume = {191},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2000_191_4_a4/}
}