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- [2] FUNCTIONS SATISFYING DIFFERENTIAL EQUATION X2Y'''+3XY''++Y'+X2Y=0 DOKLADY AKADEMII NAUK SSSR, 1962, 144 (01): : 56 - &
- [6] CONSTRUCTION OF QUASIGROUPS SATISFYING IDENTITY X(XY)=YX CANADIAN MATHEMATICAL BULLETIN, 1971, 14 (01): : 57 - &
- [10] Uncountably Many Varieties of Semigroups Satisfying x2 y \bumpeq xy Semigroup Forum, 2000, 60 : 135 - 152