References

Additional sources and materials

 A. Kh a l ' d. Matematicheskaya statistika s tekhnicheskimi prilozheniyami. M.,Izd-vo inostr. lit., 1956.
 K. Re a rs op. Contributions to the Mathematical Theory of Evolution. Philos. Trans. Rou. Soc., 1894, № 185-A.
 S. V. L. Ch a rli e r. Researches into the Theory of Probabi]ity. Lund, 1906.
 S. Vurrau. The Half-Invariants of Two Typical Lows of Errors, with ap Application to the Problem of Dissecting a Frequency Curve into Components. Skandinavisk Aktuarietidskrift, 1934, LA 17.
 V. Strogmen... Tabls and Diagrams for Dissecting a Frequency into Components 'u the Half-Invariant Method (tam zhe).
 
 , 7. V. U r b a kh. K voprosu o razlozhenii otklonyayuschikhsya ot normal'nogo statisticheskikh raspredelenij na dva normal'nykh raspredeleniya. Biofizika,  1965,t. 6, vyp 1,
 
 
 8 V.Urbakh. Biometricheskie metody. M. "Nauka", 1964 
 9  B. Demidovich , I. Maron, Eh. Shuvalova. Chislennye metody analiza. M., Fizmatgiz, 1963.
 10 E. Dubois. Essential Methods in Business Statistics. McGraw-Hill Companu, Јps., „1963.