BARSEGHYAN, V. R. ABOUT A PROBLEM OF OPTIMAL CONTROL OF STEPWISE CHANGING LINEAR SYSTEMS WITH PHASE STATES RESTRICTIONS IN INTERMEDIATE MOMENTE. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 36, n. 1 (197), p. 118–120, 2002. DOI: 10.46991/PYSUA.2002.36.1.118. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol36_no1_2002_pp118-120. Acesso em: 22 jan. 2026.