RT Journal Article T1 Some remarks about the Morse–Sard theorem and approximate differentiability A1 Azagra Rueda, Daniel A1 García Bravo, Miguel PB Springer YR 2020 FD 2020 LK https://hdl.handle.net/20.500.14352/117976 UL https://hdl.handle.net/20.500.14352/117976 LA eng DS Docta Complutense RD 6 abr 2025