V. Ghadamyari and  F. Samadi and  F. Kowsary,  Comparison of Three Versions of Conjugate Gradient Method in Predicting an Unknown Irregular Boundary Profile.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 103 - 108
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/11253.