Nguen Minʹ Chi

Publications in Math-Net.Ru

1. Maximally hypoelliptic operators with a noninvolutive characteristic set
   
   Dokl. Akad. Nauk SSSR, 314:5 (1990),  1059–1061
2. Fourth-order hypoelliptic pseudodifferential operators with a noninvolutive characteristic set
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1990, no. 2,  71–73
3. Asymptotic behavior of the eigenvalues and eigenfunctions of boundary value problems in a domain with a small opening
   
   Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1987, no. 4,  17–20