Mustyatsa I V

Publications in Math-Net.Ru

1. Union of derivative chains of two quadratic pencils of unbounded operators
   
   Mat. Zametki, 51:4 (1992),  85–90
2. On the Vandermonde operator of quasi-elliptic operator pencils
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1991, no. 5,  56–58