@article{DE_1992_28_6_a20,
     author = {A. K. Demenchuk},
     title = {Quasiperiodic solutions of periodic differential systems with analytic right-hand side},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1073--1075},
     publisher = {mathdoc},
     volume = {28},
     number = {6},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_6_a20/}
}