Advances in Mathematics: Scientific Journal

2020, Vol. 9, No. 1

DOI:

https://doi.org/10.37418/amsj.9.1
N. Faried, M.S.S. Ali and H.H. Sakr
J. H. Andriatahina, D. M. Rakotonirina and T. J. Rabeherimanana
M.P. Santosh, N.I. Rajkumar, P.T. Reddy and B. Venkateswarlu