Lobachevskii DML: Towards a Semantic Digital Mathematical Library of Kazan UniversityThe 
digital mathematical library Lobachevskii DML is one of the national initiatives that have
 Digital libraries and the common digital space of mathematical knowledge we develop form the backbone of the 
Lobachevskii-DML digital math 
library. In implementing this study
 МЕТОД КЛАСТЕРИЗАЦИИ НАУЧНЫХ ПУБЛИКАЦИЙ
В ЦИФРОВЫХ МАТЕМАТИЧЕСКИХ КОЛЛЕКЦИЯХ, a method for clustering collections of a
digital mathematical library has been created. The method
 ЦИФРОВЫЕ МАТЕМАТИЧЕСКИЕ БИБЛИОТЕКИ В ОБРАЗОВАТЕЛЬНОМ ИНФОРМАЦИОННОМ ПРОСТРАНСТВЕ are proposed. Electronic collections are formed using the soft-ware tools of the 
Lobachevskii-DML digital Metadata normalization methods in the digital mathematical library and including them in the 
digital mathematical library are presented. Tools for generating metadata
 TU framework in automatic formatting a digital library© Springer Nature Singapore Pte Ltd. 2019. Intelligent search in the 
digital libraries is very
 Digital library metadata factories mathematical library named after Lobachevsky-
DML. We suggest using this implemented metadata factory
 Wikidata in Metadata Formation Methods for Documents of Digital Mathematical Library collections formation, which are included in the 
digital library Lobachevskii-DML, are presented.