@article{MM2_1979__28_154637,
     author = {Jens Frehse and Umberto Mosco},
     title = {Variational {Inequalities} with {One-Sided} {Irregular} {Obstacles.}},
     journal = {Manuscripta mathematica},
     pages = {219--234},
     publisher = {mathdoc},
     volume = {28},
     year = {1979},
     zbl = {0447.49006},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__28_154637/}
}