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JOURNALS // Doklady Akademii Nauk // Archive

Dokl. Akad. Nauk SSSR, 1968 Volume 181, Number 5, Pages 1073–1076 (Mi dan34047)

MATHEMATICS

Group properties (in the large) of second order partial differential equations

I. I. Tugov

P. N. Lebedev Physical Institute, the USSR Academy of Sciences, Moscow

UDC: 517.944+519.46

Presented: L. I. Sedov
Received: 16.11.1967



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