@article{107005, author = {Pavol \v Solt\'es}, title = {Oscillation of solutions of a non-linear delay differential equation of the fourth order}, journal = {Archivum Mathematicum}, volume = {014}, year = {1978}, pages = {175-180}, zbl = {0425.34072}, mrnumber = {512757}, language = {en}, url = {http://dml.mathdoc.fr/item/107005} }
Šoltés, Pavol. Oscillation of solutions of a non-linear delay differential equation of the fourth order. Archivum Mathematicum, Tome 014 (1978) pp. 175-180. http://gdmltest.u-ga.fr/item/107005/
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