TY  - DATA
AU  - Aizicovici, Sergiu
AU  - Papageorgiou, Nikolaos Socrates.Staicu, Vasile.
TI  - Degree theory for operators of monotone type and nonlinear elliptic equations with inequality constraints 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470405212 (online)
PY  - 2008///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0915
ER  -