Song S.-Z.

Publications in Math-Net.Ru

1. Quasi-valuation maps based on positive implicative ideals in BCK-algebras
   
   Algebra Discrete Math., 26:1 (2018),  65–75
2. Idempotent Boolean matrices and majorization
   
   Fundam. Prikl. Mat., 13:1 (2007),  11–29