D.E. Andrianov, Sergey Eremeev, Yuri Kovalev. "METHOD FOR EXTRACTING INFORMATION ON THE TOPOLOGY OF AN N-DIMENSIONAL MAP." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing (2020): 515-522. https://doi.org/10.5593/sgem2020/2.1/s08.066