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Scientific notes and problems
On the definition of hypo-elliptic equations
E. A. Gorin, V. V. Grushin
Received: 30.04.1960
Citation:
E. A. Gorin, V. V. Grushin, “On the definition of hypo-elliptic equations”, Russian Math. Surveys, 16:5 (1961)
Linking options:
https://www.mathnet.ru/eng/rm6672 https://www.mathnet.ru/eng/rm/v16/i5/p163
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