Nikolaos S. Papageorgiou, Vicentiu D. Radulescu. Resonant Neumann problems with indefinite and unbounded potential. Appl. Math. Lett., 40:49-52, 2015. [doi]
@article{PapageorgiouR15, title = {Resonant Neumann problems with indefinite and unbounded potential}, author = {Nikolaos S. Papageorgiou and Vicentiu D. Radulescu}, year = {2015}, doi = {10.1016/j.aml.2014.09.011}, url = {http://dx.doi.org/10.1016/j.aml.2014.09.011}, researchr = {https://researchr.org/publication/PapageorgiouR15}, cites = {0}, citedby = {0}, journal = {Appl. Math. Lett.}, volume = {40}, pages = {49-52}, }