@article{DE_1974_10_11_a21,
     author = {N. N. Dedok},
     title = {Periodic solutions and the dissipativity of certain systems of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2071--2072},
     publisher = {mathdoc},
     volume = {10},
     number = {11},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_11_a21/}
}