An effective quadrature rule for multiple integrals. - Jena, Saumya Ranjan; Padhy, Birupakhya Prasad; Mohanty, Prasanta Kumar; Dutta, Utkal Keshari; Das, Mrutyunjay; Mishra, Satya Kumar; Panda, Debdulal; Mohapatra, Manas Ranjan; Mishra, Bhupati Bhusan (Nonlinear Studies, 2026)