Verbovskii I V

Publications in Math-Net.Ru

1. Cocommutative Hopf $\mathbf{Z}$-algebras
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1994, no. 1,  88–90
2. Integrals in Hopf algebras
   
   Uspekhi Mat. Nauk, 47:1(283) (1992),  207–208