1. Almér, S., Fujioka, H., Jönsson, U., Kao, C.-Y., Patino, D., & Riedinger, P. et al. (2007). Hybrid control techniques for synchronous DC–DC converters, part I: The step-down topology. In Proceedings of the 26th American control conference(pp. 5450–5457)
2. Stability analysis of a class of PWM systems;Almér;IEEE Transactions on Automatic Control,2007
3. Beccuti, A. G., Papafotiou, G., Morari, M., Almér, S., Fujioka, H., & Jönsson, U. T. et al. (2007). Hybrid control techniques for synchronous DC–DC converters, part II: The step-up topology. In Proceedings of the 26th American control conference (pp. 5464–5471)
4. H∞ sampled-data synthesis and related numerical issues;Cantoni;Automatica,1997
5. Optimal sampled-data control systems;Chen,1995