TY  - BOOK
AU  - 3G E-learning
TI  - Boundary value problems
T2  - 3GE collection on mathematics series
SN  - 9781984681119
U1  - 515.35 
PY  - 2023///
CY  - New York
PB  - 3G E-learning
N1  - Includes index
ER  -