10.1090/S0002-9939-96-03557-5
Shen, Jianhong, Strang, GilbertVolume:
124
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.1090/S0002-9939-96-03557-5
Date:
December, 1996
File:
PDF, 697 KB
english, 1996