@article{DAN_1957_115_3_a5,
     author = {O. B. Lukova},
     title = {On the behaviour of solutions of a system of differential equations in the neighbourhood of isolated static solution},
     journal = {Doklady Akademii Nauk},
     pages = {447--449},
     publisher = {mathdoc},
     volume = {115},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_3_a5/}
}