Schafer, P. (1988). Maximum principles and eigenvalue problems in partial differential equations. Longman.
Stile di citazione ChicagoSchafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.
Citazione MLASchafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.
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