Akzhigitova Э. ., Kurmangaliyeva . В. ., Duisenbay . А. ., and Kalzhigitov . Н. . “LEPTON CHARACTERISTICS OF "HEAVY ELECTRONS&Quot; AND THEIR MANIFESTATIONS IN NEUTRON STARS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 69, no. 1, June 2021, p. 179184, https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/157.