Petryshyn, W. V. (1995). Generalized topological degree and semilinear equations. Cambridge: Cambridge University Press.
Παραπομπή Chicago StylePetryshyn, Wolodymyr V. Generalized Topological Degree and Semilinear Equations. Cambridge: Cambridge University Press, 1995.
Παραπομπή MLAPetryshyn, Wolodymyr V. Generalized Topological Degree and Semilinear Equations. Cambridge: Cambridge University Press, 1995.
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