Aslanyan, L., H. Sahakyan, and A. Hovsepyan. “On Constrained Convexity Tomography and Lagrangean Approximations”. Mathematical Problems of Computer Science 30 (December 10, 2021): 111–122. Accessed April 2, 2025. http://93.187.165.2/index.php/mpcs/article/view/423.