- 
        
            Yu. M. Berezansky,
            A. A. Kalyuzhnyi,
        
        Harmonic analysis in hypercomplex systems
 Kluwer Acad. Publ. (1998) 483
     
    - 
        
            О. Калюжний,
        
        Conditional expectations an compact quantum groups and new examples of quantum hypergroups
 Methods of Func. Anal. and Topol., 7 (2001) 49-68
     
    - 
        
            M. I. Gekhtman,,
            A. A. Kalyuzhnyi,
        
        On the orthogonal polynomials in several variables
 Integr. Equat. Oper. Th., 19 (1994) 404-418
     
    - 
        
            Yu. A. Chapovsky,,
            A. A. Kalyuzhnyi,
            G. B. Podkolzin,
        
        On the group of extensions for the bicrossproduct construction for a locally compact group
 Algebra and Discrete Math., 3 (2004) 12-19
     
    - 
        
            Yu. A. Chapovsky,,
            A. A. Kalyuzhnyi,
            G. B. Podkolzin,
        
        Conditional expectations on compact quantum groups and quantum cosets
 Ukr. Math. Zh., 57 (2005) 645-654