Biryukov Petr Al'bertovich

Publications in Math-Net.Ru

1. Spaces with bases and π-basis of finite rank
   
   Mat. Zametki, 38:5 (1985),  709–712
2. Ranks of families of sets and properties of topological spaces
   
   Dokl. Akad. Nauk SSSR, 257:4 (1981),  777–779