@article{DAN_1975_224_3_a7,
     author = {D. O. Logofet},
     title = {Investigation of a system of $n$ {\textquotedblleft}predator-prey{\textquotedblright} pairs coupled by competition},
     journal = {Doklady Akademii Nauk},
     pages = {529--531},
     year = {1975},
     volume = {224},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_224_3_a7/}
}