Petrov, P. I., Петров, П. И., & Петров, П. И. (1966). Characterization of types of conformally plane four-dimensional Riemannian Spaces. Institute of Mathematics, NAS of Ukraine.
Chicago-Zitierstil (17. Ausg.)Petrov, P. I., П. И Петров, und П. И Петров. Characterization of Types of Conformally Plane Four-dimensional Riemannian Spaces. Institute of Mathematics, NAS of Ukraine, 1966.
MLA-Zitierstil (8. Ausg.)Petrov, P. I., et al. Characterization of Types of Conformally Plane Four-dimensional Riemannian Spaces. Institute of Mathematics, NAS of Ukraine, 1966.
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