@article{DAN_1978_243_2_a3,
     author = {V. P. Zhukov},
     title = {The source method in stability analysis of nonlinear systems},
     journal = {Doklady Akademii Nauk},
     pages = {291--294},
     publisher = {mathdoc},
     volume = {243},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_243_2_a3/}
}