Kittilä, A., & Lehto, O. (1994). On the topological degree for a class of mappings of monotone type and applications to strongly nonlinear elliptic problems ([1st ed.].). Suomalainen Tiedeakatemia.
Citace podle Chicago (17th ed.)Kittilä, Arto, a O. Lehto. On the Topological Degree for a Class of Mappings of Monotone Type and Applications to Strongly Nonlinear Elliptic Problems. [1st ed.]. Helsinki: Suomalainen Tiedeakatemia, 1994.
Citace podle MLA (9th ed.)Kittilä, Arto, a O. Lehto. On the Topological Degree for a Class of Mappings of Monotone Type and Applications to Strongly Nonlinear Elliptic Problems. [1st ed.]. Suomalainen Tiedeakatemia, 1994.
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