1.
Kriščiūnaitė A. The almost contract structures on hypersurfaces in four-dimensional centred biaffined space of elliptic and hyperbolic type. LMJ [Internet]. 1967 Sep. 15 [cited 2024 May 7];7(3):423-38. Available from: https://www.journals.vu.lt/LMJ/article/view/19985