@misc{AA_2001_13_3_a13,
     title = {Additions to: {N.\,B.~Medvedeva,} {A~monodromy} criterion for a~singular point of a~vector field on the plane {(Algebra} i {Analiz} 13 (2001), no.~3, 240--240)},
     journal = {Algebra i analiz},
     pages = {240},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2001_13_3_a13/}
}