@article{104858, author = {Milo\v s R\'ab}, title = {Asymptotic behaviour of the equation $x''+p(t)x'+q(t)x=0$ with complex-valued coefficients}, journal = {Archivum Mathematicum}, volume = {011}, year = {1975}, pages = {193-204}, zbl = {0356.34044}, mrnumber = {0404776}, language = {en}, url = {http://dml.mathdoc.fr/item/104858} }
Ráb, Miloš. Asymptotic behaviour of the equation $x''+p(t)x'+q(t)x=0$ with complex-valued coefficients. Archivum Mathematicum, Tome 011 (1975) pp. 193-204. http://gdmltest.u-ga.fr/item/104858/
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