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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive
Izv. Vyssh. Uchebn. Zaved. Mat., 1987 Number 9, Pages 59–66 (Mi ivm7806)
Overdetermined and underdetermined equations in Hilbert spaces

S. G. Kreĭn, S. Ya. L'vin


UDC: 517.983

MSC: 47A50

Received: 13.01.1987


 English version: Soviet Mathematics (Izvestiya VUZ. Matematika), 1987, 31:9, 71–80

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© Steklov Math. Inst. of RAS, 2026