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@article{10_4064_ap_24_3_327_330, author = {W. R. Utz}, title = {Periodic solutions of $x" + f(x)x'^m + g(x) = 0$}, journal = {Annales Polonici Mathematici}, pages = {327--330}, publisher = {mathdoc}, volume = {24}, number = {3}, year = {1970}, doi = {10.4064/ap-24-3-327-330}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-24-3-327-330/} }
TY - JOUR AU - W. R. Utz TI - Periodic solutions of $x" + f(x)x'^m + g(x) = 0$ JO - Annales Polonici Mathematici PY - 1970 SP - 327 EP - 330 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-24-3-327-330/ DO - 10.4064/ap-24-3-327-330 LA - en ID - 10_4064_ap_24_3_327_330 ER -
W. R. Utz. Periodic solutions of $x" + f(x)x'^m + g(x) = 0$. Annales Polonici Mathematici, Tome 24 (1970) no. 3, pp. 327-330. doi : 10.4064/ap-24-3-327-330. http://geodesic.mathdoc.fr/articles/10.4064/ap-24-3-327-330/
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