TY  - DATA
AU  - Murray H. Protter; Hans F. Weinberger
TI  - Maximum Principles in Differential Equations
SN  - 9781461252825
PY  - 1984///
PB  - Springer New York
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4612-5282-5
ER  -