@article{DAN_1963_148_6_a5,
     author = {V. K. Mel'nikov},
     title = {Qualitative description of strong resonance in a nonlinear system},
     journal = {Doklady Akademii Nauk},
     pages = {1257--1260},
     publisher = {mathdoc},
     volume = {148},
     number = {6},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_6_a5/}
}