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@article{ARM_1984__20_2_a1, author = {Venckov\'a, Magdalena}, title = {Oscillation of a forced nonlinear differential equation}, journal = {Archivum mathematicum}, pages = {59--68}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1984}, mrnumber = {784857}, zbl = {0561.34023}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1984__20_2_a1/} }
Vencková, Magdalena. Oscillation of a forced nonlinear differential equation. Archivum mathematicum, Tome 20 (1984) no. 2, pp. 59-68. http://geodesic.mathdoc.fr/item/ARM_1984__20_2_a1/