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Headley, V.B. Comparison Theorems for Linear Elliptic Equations. Canadian mathematical bulletin, Tome 36 (1993) no. 2, pp. 164-172. doi: 10.4153/CMB-1993-024-9
@article{10_4153_CMB_1993_024_9,
author = {Headley, V.B.},
title = {Comparison {Theorems} for {Linear} {Elliptic} {Equations}},
journal = {Canadian mathematical bulletin},
pages = {164--172},
year = {1993},
volume = {36},
number = {2},
doi = {10.4153/CMB-1993-024-9},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-024-9/}
}
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