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@article{ARM_1994__30_2_a3, author = {Bartu\v{s}ek, Miroslav}, title = {On the structure of solutions of a system of three differential inequalities}, journal = {Archivum mathematicum}, pages = {117--130}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {1994}, mrnumber = {1292563}, zbl = {0820.34007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1994__30_2_a3/} }
Bartušek, Miroslav. On the structure of solutions of a system of three differential inequalities. Archivum mathematicum, Tome 30 (1994) no. 2, pp. 117-130. http://geodesic.mathdoc.fr/item/ARM_1994__30_2_a3/