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@article{10_4064_ap_21_3_305_307, author = {F. H. Szafraniec}, title = {Note on the existence of periodic solutions of a second order differential equation}, journal = {Annales Polonici Mathematici}, pages = {305--307}, publisher = {mathdoc}, volume = {21}, number = {3}, year = {1968}, doi = {10.4064/ap-21-3-305-307}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-21-3-305-307/} }
TY - JOUR AU - F. H. Szafraniec TI - Note on the existence of periodic solutions of a second order differential equation JO - Annales Polonici Mathematici PY - 1968 SP - 305 EP - 307 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-21-3-305-307/ DO - 10.4064/ap-21-3-305-307 LA - en ID - 10_4064_ap_21_3_305_307 ER -
%0 Journal Article %A F. H. Szafraniec %T Note on the existence of periodic solutions of a second order differential equation %J Annales Polonici Mathematici %D 1968 %P 305-307 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-21-3-305-307/ %R 10.4064/ap-21-3-305-307 %G en %F 10_4064_ap_21_3_305_307
F. H. Szafraniec. Note on the existence of periodic solutions of a second order differential equation. Annales Polonici Mathematici, Tome 21 (1968) no. 3, pp. 305-307. doi : 10.4064/ap-21-3-305-307. http://geodesic.mathdoc.fr/articles/10.4064/ap-21-3-305-307/
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