Gevorkyan, Ashot S., Alek A. Aleksanyan, and Suren B. Alaverdyan. “On Homeomorphism Between Euclidean Subspace and Conformally Euclidean Manifold”. Mathematical Problems of Computer Science 51 (December 10, 2021): 98–106. Accessed May 7, 2024. http://mpcs.sci.am/index.php/mpcs/article/view/54.