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@article{FAA_1981_15_4_a3, author = {S. P. Novikov}, title = {Variational methods and periodic solutions of {Kirchhoff-type} equations. {II}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {37--52}, publisher = {mathdoc}, volume = {15}, number = {4}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1981_15_4_a3/} }
S. P. Novikov. Variational methods and periodic solutions of Kirchhoff-type equations. II. Funkcionalʹnyj analiz i ego priloženiâ, Tome 15 (1981) no. 4, pp. 37-52. http://geodesic.mathdoc.fr/item/FAA_1981_15_4_a3/