@article{120490, author = {Tadeusz D\l otko}, title = {Some records on second order differential equations}, journal = {Acta Mathematica et Informatica Universitatis Ostraviensis}, volume = {03}, year = {1995}, pages = {21-(26)}, zbl = {0854.34015}, mrnumber = {1474062}, language = {en}, url = {http://dml.mathdoc.fr/item/120490} }
Dłotko, Tadeusz. Some records on second order differential equations. Acta Mathematica et Informatica Universitatis Ostraviensis, Tome 03 (1995) pp. 21-(26). http://gdmltest.u-ga.fr/item/120490/
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