Saleh A. Al-Jufout,  Forming the Differential-Algebraic Model of Radial Power Systems for Simulation of both Transient and Steady-State Conditions.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1103 - 1106
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10243.