Kostrigina Olga Sergeevna

Publications in Math-Net.Ru

1. Goursat problem for nonlinear hyperbolic systems with integrals of the first and second order
   
   Ufimsk. Mat. Zh., 3:3 (2011),  67–79
2. Characteristic algebras of nonlinear hyperbolic systems of equations
   
   J. Sib. Fed. Univ. Math. Phys., 3:2 (2010),  173–184
3. Two-component hyperbolic systems of equations of exponential type with the finite-dimensional characteristic Lie algebra
   
   Ufimsk. Mat. Zh., 1:3 (2009),  57–64