[1]
Аnpilogova V., Botvinovska, S., Zolotova, A. and Sulimenko, H. 2019. Study of the problem on constructing quadrics at the assigned tangent cones. Eastern-European Journal of Enterprise Technologies. 5, 1 (101) (Oct. 2019), 39–48. DOI:https://doi.org/10.15587/1729-4061.2019.180859.