TY - DATA AU - W. M. Everitt AU - B. D. Sleeman TI - Ordinary and Partial Differential Equations T2 - Lecture Notes in Mathematics SN - 9783540375173 PY - 1976/// CY - Heidelberg PB - Springer Berlin KW - Mathematics and Statistics UR - https://doi.org/10.1007/BFb0087320 ER -