RESULTS OF DISPERSION MAPPING APPLIED FOR DATABASE "THE PTB DIAGNOSTIC ECG DATABASE ANALYSIS" ArticleIvanov G.G., Solov'ev O.P., Kazhdan A.M., Arkvasov M.Iu., Dvornikov V.E., Prilutskiĭ D.A.Кардиология и сердечно-сосудистая хирургия. Том 3. 2010. С. 81-84