TY  - DATA
AU  - M.S. Agranovich, Yuri Egorov, M.A. Shubin
TI  - Partial Differential Equations IX
SN  - 9783662067215
PY  - 1997///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-662-06721-5
ER  -