Thi Le, T., P. Hoang Quan, D. Ngoc Thanh, and P. Hoang Uyen. “REGULARIZATION OF A CLASS OF CONVOLUTIONAL EQUATIONS BY THE METHOD OF TRUNCATED INTEGRATION”. Science and Technology Development Journal, Vol. 6, no. 1&2, Feb. 2003, pp. 19-26, doi:https://doi.org/10.32508/stdj.v6i1&2.3301.