Роман Йосипович, and Василь Михайлович. “INTERPOLATIONS OF SPATIAL DATA ON THE BASIS OF SURFACES FOR THE PROGRAMMATIC TOOLS OF THE GEOINFORMATICAL SYSTEMS (GIS): Array”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Number, no. 1(13), Mar. 2019, pp. 273-9, https://pvntsh.nung.edu.ua/index.php/number/article/view/276.