TY - DATA AU - C.M. Brauner AU - B. Gay AU - J. Mathieu TI - Singular Perturbations and Boundary Layer Theory T2 - Lecture Notes in Mathematics SN - 9783540373407 PY - 1977/// CY - Heidelberg PB - Springer Berlin KW - Mathematics and Statistics UR - https://doi.org/10.1007/BFb0086076 ER -