Smotrov Mikhail Nikolaevich

Publications in Math-Net.Ru

1. On the spectrum of the Laplace–Beltrami operator for congruence subgroups of the modular group
   
   Algebra i Analiz, 23:4 (2011),  31–39
2. Multiplicative characteristics of function for the number of classes of primitive hyperbolic elements in the group $\Gamma_0(N)$ by level $N$
   
   Dal'nevost. Mat. Zh., 9:1-2 (2009),  48–73
3. An explicit formula for the number of classes of primitive hyperbolic elements in the group $\Gamma_0(N)$
   
   Mat. Sb., 199:7 (2008),  63–84