Metric invariants for unitary transformations and their application in character recognition. - S. Wendling; G. Gagneux (Pattern Recognit., 1977)

A Set of Invariants Within the Power Spectrum of Unitary Transformations. - S. Wendling; G. Gagneux; G. Stamon (IEEE Trans. Computers, 1978)

A Method for Translating Automatically Statechart Models into VHDL Code. - Y. Maillot; S. Wendling (EUROSIM, 1995)