?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4140%2F&rft.title=Nonlinear+Problems+in+Mathematical+Ecology&rft.creator=Svirezhev%2C+Y.M.&rft.publisher=WP-94-071&rft.date=1994-08&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4140%2F1%2FWP-94-071.pdf&rft.identifier=++Svirezhev%2C+Y.M.++(1994).++Nonlinear+Problems+in+Mathematical+Ecology.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-94-071+++++