1980
Studies on N-dimensional filter transfer functions without second kind singularities.
Proceedings of the IEEE International Conference on Acoustics, 1980

1979
Generation of two-dimensional digital functions without non-essential singularities of the second kind.
Proceedings of the IEEE International Conference on Acoustics, 1979

1978
Realization of a class of two-dimensional analog ladders with applications to wave digital filters.
Proceedings of the IEEE International Conference on Acoustics, 1978