@article{DAN_1968_182_6_a11,
     author = {K. Eshmuradov},
     title = {Structural stability conditions and classification of the cells of a three-dimensional dynamical system without closed orbits},
     journal = {Doklady Akademii Nauk},
     pages = {1283--1286},
     publisher = {mathdoc},
     volume = {182},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_6_a11/}
}