| V. Ponomarev. About uniqueness of a solution of boundary value problems for a system of two first-order differential equations with linear boundary conditions, I. |
| Theorems of uniqueness of a solution of the boundary value problems $$x'=h(t,x,y), \quad y'=f(t,x,y),$$ $$a_1 x(a) + a_2 x(b) + a_3 y(a) + a_4 y(b) + a_5 = 0,$$ $$b_1 x(a) + b_2 x(b) + b_3 y(a) + b_4 y(b) + b_5 = 0$$ are proved in the paper. |