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  1. Modelling of the First-Order Time-Varying Filters with Periodically Variable Coefficients

    Article • Mathematical Problems in Engineering, January 2017, Hindawi Publishing Corporation

    Dariusz Grabowski, Anna Piwowar

  2. Quadratic polynomial form of electric arc furnace equation

    Article • COMPEL The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, October 2014, Emerald

    Dariusz Grabowski

  3. Model of electric arc furnace

    Article • COMPEL The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, July 2013, Emerald

    Dariusz Grabowski