Тишин, П.М. and Маковецкий, А.С. 2015. Development of diagnostic ontology model of distributed information systems based on the many-sorted language of applied logic. Eastern-European Journal of Enterprise Technologies. 2, 2(74) (Apr. 2015), 21–26. DOI:https://doi.org/10.15587/1729-4061.2015.40548.