@article{DE_1998_34_10_a21,
     author = {V. M. Pecevich},
     title = {Hamiltonian systems with univalent solutions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1435--1436},
     publisher = {mathdoc},
     volume = {34},
     number = {10},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_10_a21/}
}