1
Published: [2010]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - 2000 - 2014
2
Published: 2011.
Superior document: De Gruyter series in nonlinear analysis and applications, 13
3
Published: 1976
Superior document: Dissertationes mathematicae 140
4
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter DG Studies in Nonlinear Analysis and Applications