Suman Saha Saptarshi Das Ratna Ghosh Bhaswati Goswami Amitava Gupta R. Balasubramanian A. K. Chandra Shantanu Das 0002 Fractional Order Phase Shaper Design with Routh's Criterion for Iso-damped Control System http://arxiv.org/abs/1202.5667 2012 CoRR abs/1202.5667 db/journals/corr/corr1202.html#abs-1202-5667