TY  - DATA
AU  - Petrosyan, Arshak,
AU  - Shahgholian, Henrik,
AU  - Uraltseva, N. N.
TI  - Regularity of free boundaries in obstacle-type problems 
T2  - Graduate Studies in Mathematics, 
SN  - 9780821889916 (online)
PY  - 2012///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Boundary value problems
KW  - Partial differential equations -- Miscellaneous topics -- Free boundary problems
N1  - Includes bibliographical references (p. 201-210) and index
UR  - https://doi.org/10.1090/gsm/136
ER  -