Fukson V I

Publications in Math-Net.Ru

1. The operators of logical approximation
   
   Trudy Mat. Inst. Steklov., 133 (1973),  65–77
2. On a homogeneous Suslin continuum
   
   Dokl. Akad. Nauk SSSR, 197:2 (1971),  292–294
3. Definable sequences of countable ordinals
   
   Dokl. Akad. Nauk SSSR, 196:6 (1971),  1263–1265