Labsker Lev Grigor'evich

Publications in Math-Net.Ru

1. Test closure operations in a Banach space that are generated by linear functionals
   
   Zap. Nauchn. Sem. POMI, 247 (1997),  114–145
2. Test closures of sets in a Banach space for linear functionals
   
   Dokl. Akad. Nauk, 351:2 (1996),  161–163
3. Some criteria and properties of Chebyshev systems
   
   Sibirsk. Mat. Zh., 36:6 (1995),  1375–1383
4. Testing and distinguishing sets in Banach spaces
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1992, no. 1,  102–105
5. Some remarks on the Chebyshev rank of systems
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1987, no. 3,  44–47
6. On sufficient conditions for the noncontinuability of Chebyshev systems
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1986, no. 9,  45–58
7. A test for Chebyshev systems
   
   Mat. Zametki, 39:2 (1986),  196–211
8. Characterization of Chebyshev systems and sufficient conditions for their nonextendability
   
   Dokl. Akad. Nauk SSSR, 276:2 (1984),  277–281
9. Korovkin sets in Banach space for sets of linear functionals
   
   Mat. Zametki, 31:1 (1982),  93–112
10. Some necessary and sufficient criteria for Korovkin sets for operators of class $S_m^0$
    
    Sibirsk. Mat. Zh., 21:2 (1980),  128–138
11. Korovkin sets in the space of continuous functions for operators of the class $S_m^0$
    
    Mat. Zametki, 25:4 (1979),  521–536
12. On strong convergence of sequences of positive linear operators in Banach spaces
    
    Dokl. Akad. Nauk SSSR, 206:3 (1972),  525–528
13. Weak convergence of sequences of positive linear functionals
    
    Dokl. Akad. Nauk SSSR, 197:6 (1971),  1264–1267
14. A constructive definition of the functionals of class $S_m$
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 1970, no. 11,  59–70
15. A family of linear integral operators of a certain general construction. II
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 1968, no. 6,  55–68
16. A family of linear integral operators of a certain general construction. I.
    
    Izv. Vyssh. Uchebn. Zaved. Mat., 1968, no. 5,  54–61