Singulae points in the complex potential of a forming field
English version (Springer): Ukrainian Mathematical Journal 20 (1968), no. 6, pp 719-722.
Citation Example: Grankin E. P. Singulae points in the complex potential of a forming field // Ukr. Mat. Zh. - 1968. - 20, № 6. - pp. 833–837.
Full text