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Figueroa Sestelo, Rubén Degree theory for discontinuous operators : applications to discontinuous differential equations Cham, Switzerland : Springer, 2021. viii, 190 p. -- (RSME Springer series ; vol. 6) QA371 F543 |
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Figueroa Sestelo, Rubén Degree theory for discontinuous operators : applications to discontinuous differential equations Cham, Switzerland : Springer, 2021. viii, 190 p. -- (RSME Springer series ; vol. 6) QA371 F543 |