@article{120257, author = {J\'an Fut\'ak}, title = {On the existence of solutions of operator-differential equations}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {30}, year = {1991}, pages = {203-210}, zbl = {0757.34053}, mrnumber = {1166437}, language = {en}, url = {http://dml.mathdoc.fr/item/120257} }
Futák, Ján. On the existence of solutions of operator-differential equations. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 30 (1991) pp. 203-210. http://gdmltest.u-ga.fr/item/120257/
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