Avetisyan, V.V., and V.S. Stepanyan. “OPTIMAL CONTROL OF DYNAMIC SEARCH OF A MOVING OBJECT IN A RECTANGULAR DOMAIN”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 53, no. 3 (250), Dec. 2019, pp. 177-82, doi:10.46991/PYSU:A/2019.53.3.177.