@article{UZERU_2021_55_1_a0,
     author = {R. Boukoucha},
     title = {Explicit form of first integral and limit cycles for a class of planar {Kolmogorov} systems},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2021_55_1_a0/}
}