Кравец, В.В., Кравец, Т.В. and Харченко, А.В. 2010. Multiplicate compositions of the matrixes equivalent not to equal and opposite vectors. Eastern-European Journal of Enterprise Technologies. 2, 9(44) (Apr. 2010), 44–50. DOI:https://doi.org/10.15587/1729-4061.2010.2745.