Properties of theϕ-transformations of graphs and 2-manifolds
English version (Springer): Ukrainian Mathematical Journal 23 (1971), no. 2, pp 162-171.
Citation Example: Khomenko N. P., Yavorsky E. B. Properties of theϕ-transformations of graphs and 2-manifolds // Ukr. Mat. Zh. - 1971. - 23, № 2. - pp. .
Full text