On a weak extremum principle for a second-order elliptic system
Kamynin, L I, Khimchenko, B NVolume:
59
Language:
english
Journal:
Izvestiya: Mathematics
DOI:
10.1070/IM1995v059n05ABEH000042
Date:
October, 1995
File:
PDF, 222 KB
english, 1995