scientific article; zbMATH DE number 3419828

zbMath0266.47047MaRDI QIDQ5683320

Yu. G. Borisovich, Yu. I. Sapronov

Publication date: 1969

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

Fixed-point theorems (47H10) Degree, winding number (55M25)

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