An, Do Nhu. “THE STRUCTURE OF GRAPHS ON N VERTICES WITH THE DEGREE SUM OF ANY TWO NONADJACENT VERTICES EQUAL TO N-2”. Dalat University Journal of Science 11, no. 4 (October 4, 2021): 55–62. Accessed December 7, 2023. https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/830.