Open Science Research Excellence
Ahmet Tekcan,  Positive Definite Quadratic Forms, Elliptic Curves and Cubic Congruences.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. July 2010, vol. 43(7). 831 - 835[viewed 24 July 2019]. Available from: http://waset.org/publications/9336.