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@article{MASLO_1991__41_1_a11, author = {Halu\v{s}ka, Vladim{\'\i}r}, title = {On the existence of a solution of a vector periodic boundary value problem}, journal = {Mathematica slovaca}, pages = {89--99}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1991}, mrnumber = {1094988}, zbl = {0753.34012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a11/} }
Haluška, Vladimír. On the existence of a solution of a vector periodic boundary value problem. Mathematica slovaca, Tome 41 (1991) no. 1, pp. 89-99. http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a11/