@article{SEMR_2017_14_a56,
     author = {Yu. Yu. Bagderina},
     title = {Rational integrals of the second degree of two-dimentional geodesic equations},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {33--40},
     publisher = {mathdoc},
     volume = {14},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2017_14_a56/}
}