@article{105610, author = {Georg Hetzer}, title = {Some applications of the coincidence degree for set-contractions to functional differential equations of neutral type}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {016}, year = {1975}, pages = {121-138}, zbl = {0298.47034}, mrnumber = {0364814}, language = {en}, url = {http://dml.mathdoc.fr/item/105610} }
Hetzer, Georg. Some applications of the coincidence degree for set-contractions to functional differential equations of neutral type. Commentationes Mathematicae Universitatis Carolinae, Tome 016 (1975) pp. 121-138. http://gdmltest.u-ga.fr/item/105610/
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