D. B. Kikin, “Extremal properties of the solutions of certain classes of second-order partial differential equations and their applications to gas flows”, Izv. Vyssh. Uchebn. Zaved. Mat., 1963, Number 5,Pages <nobr>56

JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive

Izv. Vyssh. Uchebn. Zaved. Mat., 1963 Number 5, Pages 56–58 (Mi ivm2237)

Extremal properties of the solutions of certain classes of second-order partial differential equations and their applications to gas flows

D. B. Kikin

Moskva

Received: 18.04.1961

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