00556nam a2200193 a 4500 157295 OSt 20211123124958.0 200205 ### ENG 9781498721554 512.2 SH2E Shcherbacov, Victor Elements of quasigroup theory and applications by Victor Shcherbacov Boca Raton; New York Taylor and Francis 2017 xvii; 576p. Monographs and research notes in Mathematics Mathematics ddc BK 19673 19673 0 0 ddc 0 0 TXB CURAJ CURAJ 2019-12-21 MTH(P) 512.2 SH2E 32795 2020-03-16 2020-09-02 2020-09-02 BK