Koval', T. L., Коваль, Т. Л., & Коваль, Т. Л. (1993). Invariance principle for the least squares estimates. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationKoval', T. L., Т. Л Коваль, and Т. Л Коваль. Invariance Principle for the Least Squares Estimates. Institute of Mathematics, NAS of Ukraine, 1993.
MLA (8th ed.) CitationKoval', T. L., et al. Invariance Principle for the Least Squares Estimates. Institute of Mathematics, NAS of Ukraine, 1993.
Warning: These citations may not always be 100% accurate.