Paluch, Michał, and Lidia Jackowska-Strumiłło. “DECISION SYSTEM FOR STOCK DATA FORECASTING BASED ON HOPFIELD ARTIFICIAL NEURAL NETWORK”. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, vol. 6, no. 2, May 2016, pp. 28-33, doi:10.5604/20830157.1201313.