Kulish O.V., Fedorova O.P. «Оn assignment of additional conditions in the method ofconstruction of a spline preserving the integral of a function over its domain» // 2010. №1(9) C.47-52
Fedorova O.P. «One Variant of Spline Approximating a Function » // 2008. №2 (3) C.61-66