Sirota Yuriy Naumovich

Publications in Math-Net.Ru

1. The Heun Equation and the Darboux Transformation
   
   Mat. Zametki, 79:2 (2006),  267–277
2. Mobius transform for the linear ordinary differential equations
   
   Zap. Nauchn. Sem. POMI, 308 (2004),  67–88