@article{02213805, title = {When does the free boundary enter into corner points of the fixed boundary?}, journal = {Zapiski Nauchnykh Seminarov POMI}, volume = {314}, year = {2004}, pages = {213-225}, doi = {10.1007/s10958-005-0504-5}, zbl = {1082.35171}, language = {en}, url = {http://dml.mathdoc.fr/item/02213805} }
Shahgholian, H. When does the free boundary enter into corner points of the fixed boundary?. Zapiski Nauchnykh Seminarov POMI, Tome 314 (2004) pp. 213-225. doi : 10.1007/s10958-005-0504-5. http://gdmltest.u-ga.fr/item/02213805/