@article{107065, author = {Miroslav Bartu\v sek}, title = {Monotonicity theorems for second order non-linear differential equations}, journal = {Archivum Mathematicum}, volume = {016}, year = {1980}, pages = {127-135}, zbl = {0448.34041}, mrnumber = {594458}, language = {en}, url = {http://dml.mathdoc.fr/item/107065} }
Bartušek, Miroslav. Monotonicity theorems for second order non-linear differential equations. Archivum Mathematicum, Tome 016 (1980) pp. 127-135. http://gdmltest.u-ga.fr/item/107065/
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