Two conjectures on congruence of a biaxial space
English version (Springer): Ukrainian Mathematical Journal 41 (1989), no. 11, pp 1263-1267.
Citation Example: Koneva N. P. Two conjectures on congruence of a biaxial space // Ukr. Mat. Zh. - 1989. - 41, № 11. - pp. 1471–1476.
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