Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Ahsan, Zafar E-mail: https://www.mathnet.ru/eng/person74047 List of publications on Google Scholar Publications in Math-Net.Ru Citations 2011 1. Z. Ahsan, “A study of the Riemann curvature tensor and Petrov classification in general relativity”, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, 153:3 (2011),  87–93   Organisations Aligarh Muslim University