Our aim in this paper is to present criteria for oscillation of the nonlinear differential equation \[ u^{\prime \prime }(t)+p(t)f\big (u(g(t))\big )=0\,. \] The obtained oscillatory criteria improve existing ones.
@article{107990, author = {Blanka Bacul\'\i kov\'a}, title = {Oscillation criteria for second order nonlinear differential equations}, journal = {Archivum Mathematicum}, volume = {042}, year = {2006}, pages = {141-149}, zbl = {1164.34499}, mrnumber = {2240351}, language = {en}, url = {http://dml.mathdoc.fr/item/107990} }
Baculíková, Blanka. Oscillation criteria for second order nonlinear differential equations. Archivum Mathematicum, Tome 042 (2006) pp. 141-149. http://gdmltest.u-ga.fr/item/107990/
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