The 2 linked references in paper T. Danelan Y., Тэя Данелян Яновна (2016) “TOPOLOGICAL CONCEPTUAL MODEL OF THE TAX SYSTEM AND TAX INFORMATION SYSTEM” / spz:neicon:statecon:y:2016:i:3:p:83-87

  1. http://danelyan-info.narod.ru
  2. http://danelyan-esy.es