TY - DATA AU - Prof. Dr. G. Hämmerlin; Prof. Dr. K.-H. Hoffmann TI - Improperly Posed Problems and Their Numerical Treatment SN - 9783034854603 PY - 1983/// PB - Birkhäuser Basel KW - Mathematics and Statistics UR - https://doi.org/10.1007/978-3-0348-5460-3 ER -