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Cingolani, S.; Lazzo, M.; Padial, J. F. Multiple radial solutions for a class of elliptic systems with singular nonlinearities. (English) Zbl 0954.35054 Ann. Mat. Pura Appl., IV. Ser. 175, 365-373 (1998). MSC: 35J50 35A05 35B65 55M25 35R05 PDFBibTeX XMLCite \textit{S. Cingolani} et al., Ann. Mat. Pura Appl. (4) 175, 365--373 (1998; Zbl 0954.35054) Full Text: DOI