2024-03-29T06:07:22Z
https://oai.zbmath.org/v1/
oai:zbmath.org:5671061
2010-02-12T14:30:33Z
35
65
Yin, Li; Lü, Guixia; Shen, Longjun
2009
5671061
English
Springer, Heidelberg; Zhejiang University \& China Society for Industrial and Applied Mathematics, Hangzhou
https://zbmath.org/05671061
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Appl. Math., Ser. B (Engl. Ed.) 24, No. 2, 221-229 (2009).
65N30; 65D25; 35J25
Relations of 3D directional derivatives and expressions of typical differential operators
j