1. On some classes of nonstationary random process;Cramer,1962
2. Locally stationary random processes;Silverman;IRE Transactions on Information Theory,1957
3. Periodically correlated processes with discontinuous correlation functions;Hurd;Theory of Probability and Applications,1974
4. Characterization of cyclostationary random signal processes;Gardner;IEEE Transactions on Information Theory,1975
5. On the prediction of periodically correlated stochastic processes;Miamee;Multivariate Analysis,1980