Qo‘chqorov , M. X., and M. V. qizi Muxammadyusupova. “NISBIYLIK NAZARIYASI HAMDA EYNSHTEYN PASTULOTLARI. KVANT MEXANIKASI VA MIKROZARRALAR”. Educational Research in Universal Sciences, vol. 2, no. 4 SPECIAL, June 2023, pp. 799-01, http://erus.uz/index.php/er/article/view/2934.