Brenner, Terence On the spectra of hypoelliptic operators in \({\mathbb{R}}^ 2\). (English) Zbl 0664.47035 J. Math. Phys. 30, No. 2, 298-301 (1989). MSC: 47F05 47A10 65H10 35J05 × Cite Format Result Cite Review PDF Full Text: DOI
Baker-Jarvis, James Solution to boundary value problems using the method of maximum entropy. (English) Zbl 0662.46080 J. Math. Phys. 30, No. 2, 302-306 (1989). MSC: 46N99 47E05 47F05 65M99 × Cite Format Result Cite Review PDF Full Text: DOI