Forecasting method heteroscedastic process with the use the synthesized polynomial neural network Journal title: Vìsnik Nacìonalʹnogo unìversitetu "Lʹvìvsʹka polìtehnìka". Serìâ Ìnformacìjnì sistemi ta merežì Authors: Lytvynenko V., O. Kozhukhivska, A. Fefelov Subject(s):