Up a level |
Sundareshan, Malur K and Thathachar, MAL (1974) $L_2$-Stability of Nonstationary Feedback Systems: Frequency-Domain Criteria. In: IEEE Transactions on Automatic Control, 19 (3). pp. 217-224.
Sundareshan, Malur K and Thathachar, MAL (1972) $L_2$-Stability of Linear Time-Varying Systems--Conditions Involving Noncausal Multipliers. In: IEEE Transactions on Automatic Control, 17 (4). pp. 504-510.