Khasanov, Gafurjan. “ESTIMATES FOR TWO-DIMENSIONAL OSCILLATORY INTEGRALS WITH SMOOTH PHASE”. Journal of Global Research in Mathematical Archives(JGRMA) 6, no. 11 (November 24, 2019): 08–09. Accessed March 14, 2025. https://jgrma.com/index.php/jgrma/article/view/560.