@article{1102780628, author = {Wyman, Bostwick F.}, title = {Time varying linear discrete-time systems. II. Duality.}, journal = {Pacific J. Math.}, volume = {91}, number = {2}, year = {1980}, pages = { 361-377}, language = {en}, url = {http://dml.mathdoc.fr/item/1102780628} }
Wyman, Bostwick F. Time varying linear discrete-time systems. II. Duality.. Pacific J. Math., Tome 91 (1980) no. 2, pp. 361-377. http://gdmltest.u-ga.fr/item/1102780628/