@article{1183551843,
author = {Callias, Constantine J. and Uhlmann, Gunther A.},
title = {Singular asymptotics approach to partial differential equations with isolated singularities
in the coefficients},
journal = {Bull. Amer. Math. Soc. (N.S.)},
volume = {10},
number = {1},
year = {1984},
pages = { 172-176},
language = {en},
url = {http://dml.mathdoc.fr/item/1183551843}
}
Callias, Constantine J.; Uhlmann, Gunther A. Singular asymptotics approach to partial differential equations with isolated singularities
in the coefficients. Bull. Amer. Math. Soc. (N.S.), Tome 10 (1984) no. 1, pp. 172-176. http://gdmltest.u-ga.fr/item/1183551843/