TY  - BOOK
AU  - Friedrichs, Kurt Otto
AU  - Morawetz, Cathleen S.
TI  - SELECTA
U1  - 515.353 
PY  - 1986///
CY  - Boston
PB  - Birkhauser
KW  - Differential Equations, Partial -- Addresses, Essays, Lectures
KW  - Spectral Theory (Mathematics) -- Addresses, Essays, Lectures
ER  -