@article{DAN_1968_179_5_a0,
     author = {P. G. Aizengendler},
     title = {An application of {Newton's} diagram to the problem of stability of periodic solutions},
     journal = {Doklady Akademii Nauk},
     pages = {1015--1018},
     publisher = {mathdoc},
     volume = {179},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_5_a0/}
}