TY - BOOK AU - Suslina T AU - Yafaev D TI - Spectral theory of differential operators: M. Sh. Birman 80th anniversary collection SN - 978-0-8218-4738-1 U1 - 510T PY - 2008/// CY - Providence PB - AMS KW - Birman, M. Sh>Spectral theory (Mathematics)>Differential operators>Partial differential equations> ER -