00559nam a22001457a 450000500170000000800410001702000100005804000100006808200180007810000840009624500940018026001130027430000100038765000160039720260608104226.0260608b        |||||||| |||| 00| 0 eng d  a(hbk)  cUE-CL  a515.35bAn138  aKhalil Ibrahim,bMS Mathematics,c2023-2025,dSupervised by Dr. Muhammad Athar   aAnalytical solutions for the flow of oldroyd-b fluid in an annular pipec/ Khalil Ibrahim  aLahore :bDepartment of Mathematics, Division of Science & Technology, University of Education Lahore,c2025  a74 p.  aMathematics