Andrei Bourchtein, Ludmila Bourchtein. On ellipticity of balance equations for atmospheric dynamics. J. Computational Applied Mathematics, 234(4):1017-1026, 2010. [doi]
@article{BourchteinB10-0,
title = {On ellipticity of balance equations for atmospheric dynamics},
author = {Andrei Bourchtein and Ludmila Bourchtein},
year = {2010},
doi = {10.1016/j.cam.2009.03.011},
url = {http://dx.doi.org/10.1016/j.cam.2009.03.011},
researchr = {https://researchr.org/publication/BourchteinB10-0},
cites = {0},
citedby = {0},
journal = {J. Computational Applied Mathematics},
volume = {234},
number = {4},
pages = {1017-1026},
}