... D.V. Khmelev in [] has offered and tested statistically a technique giving correct predictions with quite a high probability. ... To the best of our knowledge, first attempts in the search of technique for author authorship attribution was given in []. ... The matrices of transition frequencies of element (letter, grammatical code, etc) pairs are calculated over all texts of each author. ... In Appendix written by D.V. Khmelev, another approach to authorship attribution is presented. ...