Khromova Galina Vladimirovna RussiaSaratov Saratov State University, Russia, Saratov, Astrakhanskaya 83 профессор кафедры математической физики и вычислительной математикиДоктор физико-математических наукKhromovAP@info.sgu.ru Author's articles Regularization of Abel Equation with the Use of Discontinuous Steklov Operator The Solution of the Problem of Determining the Density of Heat Sources in a Rod On Operators with Discontinuous Range Approximating Properties of Solutions of the Differential Equation with Integral Boundary Condition