Kazuo Horiuchi. Sampling Principle for Continuous Signals with Time-Varying Bands. Inf. Comput., 13(1):53-61, July 1968.
@article{Horiuchi68, title = {Sampling Principle for Continuous Signals with Time-Varying Bands}, author = {Kazuo Horiuchi}, year = {1968}, month = {July}, researchr = {https://researchr.org/publication/Horiuchi68}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {13}, number = {1}, pages = {53-61}, }