@article{PFMT_2018_2_a9,
     author = {V. M. Petsevich and V. A. Pronko},
     title = {Necessary conditions for the system of two second degree differential equations to have {Painlev\'e} property},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {69--75},
     publisher = {mathdoc},
     number = {2},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2018_2_a9/}
}