Karataev Р. and Baibaktina А. 2020. PROBLEMS OF CREATING A MOBILE APPLICATION FOR A BIBLIOGRAPHIC INFORMATION SEARCH ENGINE. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences. 71, 3 (Sep. 2020), 230–234. DOI:https://doi.org/10.51889/2020-3.1728-7901.35.