Fulong Wang, Yuqing Chen, Donal O Regan. Degree theory for (S::+::) mappings in non-reflexive banach spaces. Applied Mathematics and Computation, 202(1):229-232, 2008. [doi]
@article{WangCO08,
title = {Degree theory for (S::+::) mappings in non-reflexive banach spaces},
author = {Fulong Wang and Yuqing Chen and Donal O Regan},
year = {2008},
doi = {10.1016/j.amc.2008.02.001},
url = {http://dx.doi.org/10.1016/j.amc.2008.02.001},
researchr = {https://researchr.org/publication/WangCO08},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {202},
number = {1},
pages = {229-232},
}