@article{CMUC_1989__30_3_a11, author = {Krej\v{c}{\'\i}, Pavel}, title = {Hysteresis operators - a new approach to evolution differential inequalities}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {525--536}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1989}, mrnumber = {1031870}, zbl = {0699.35270}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1989__30_3_a11/} }