@article{DE_1986_22_2_a21,
     author = {N. A. Bodunov and F. F. Kotchenko},
     title = {On the investigation of conditions for the stability of the {Mathieu} equation with damping},
     journal = {Differencialʹnye uravneni\^a},
     pages = {347--348},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_2_a21/}
}