2024-03-28T16:07:08Z
https://oai.zbmath.org/v1/
oai:zbmath.org:6881416
2018-06-06T13:30:18Z
05
15
35
58
Lychagin, Valentin; Yumaguzhin, Valeriy
2018
6881416
English
Elsevier (North-Holland), Amsterdam
https://zbmath.org/06881416
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J. Geom. Phys. 130, 213-228 (2018).
35B06; 58A20; 05C38; 15A15; 05A15; 15A18
Classification of the second order linear differential operators and differential equations
j