TY - DATA AU - Mawhin, J. TI - Topological degree methods in nonlinear boundary value problems T2 - CBMS Regional Conference Series in Mathematics, SN - 9781470424008 (online) PY - 1979/// CY - Providence, R.I. PB - Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society KW - Functional differential equations KW - Nonlinear boundary value problems KW - Topological degree N1 - Bibliography: p. 109-122 UR - https://doi.org/10.1090/cbms/040 ER -