Rahman, M.S.;                     Shaikh, A.A.;                     Ali, I.;                     Bhunia, A.K.;                     Fügenschuh, A.    
        A Theoretical Framework for Optimality Conditions of Nonlinear Type-2 Interval-Valued Unconstrained and Constrained Optimization Problems Using Type-2 Interval Order Relations. Mathematics 2021, 9, 908.
    https://doi.org/10.3390/math9080908
    AMA Style
    
                                Rahman MS,                                 Shaikh AA,                                 Ali I,                                 Bhunia AK,                                 Fügenschuh A.        
                A Theoretical Framework for Optimality Conditions of Nonlinear Type-2 Interval-Valued Unconstrained and Constrained Optimization Problems Using Type-2 Interval Order Relations. Mathematics. 2021; 9(8):908.
        https://doi.org/10.3390/math9080908
    
    Chicago/Turabian Style
    
                                Rahman, Md Sadikur,                                 Ali Akbar Shaikh,                                 Irfan Ali,                                 Asoke Kumar Bhunia,                                 and Armin Fügenschuh.        
                2021. "A Theoretical Framework for Optimality Conditions of Nonlinear Type-2 Interval-Valued Unconstrained and Constrained Optimization Problems Using Type-2 Interval Order Relations" Mathematics 9, no. 8: 908.
        https://doi.org/10.3390/math9080908
    
    APA Style
    
                                Rahman, M. S.,                                 Shaikh, A. A.,                                 Ali, I.,                                 Bhunia, A. K.,                                 & Fügenschuh, A.        
        
        (2021). A Theoretical Framework for Optimality Conditions of Nonlinear Type-2 Interval-Valued Unconstrained and Constrained Optimization Problems Using Type-2 Interval Order Relations. Mathematics, 9(8), 908.
        https://doi.org/10.3390/math9080908