A sufficient integral condition for the absence of eventually positive solutions of a first order stable type differential inequality with one nondecreasing retarded argument is given. In the special case of equality the result becomes an oscillation criterion.
@article{107550, author = {Erwin Kozakiewicz}, title = {Conditions for the absence of positive solutions of a first order differential inequality with a single delay}, journal = {Archivum Mathematicum}, volume = {031}, year = {1995}, pages = {291-297}, zbl = {0849.34054}, mrnumber = {1390588}, language = {en}, url = {http://dml.mathdoc.fr/item/107550} }
Kozakiewicz, Erwin. Conditions for the absence of positive solutions of a first order differential inequality with a single delay. Archivum Mathematicum, Tome 031 (1995) pp. 291-297. http://gdmltest.u-ga.fr/item/107550/
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