[1] T. Allahviranloo, Newton Cot’s methods for integration of
fuzzy functions, Appl. Math. Comput. 166 (2005), 339-348.
[2] R. Goetschel and W. Voxman, Elementary calculus, FSS 18 (1986),
31-43.
[3] O. Kaleva, Fuzzy differential equations, FSS 24 (1987),
301-317.
[4] M. Matloka, On fuzzy integrals, Proc. 2nd Polish Symp. on Interval
and Fuzzy Mathematics, Polite Chnika Poznansk, 1987, pp. 167-170.
[5] M. L. Puri and D. Ralescu, Fuzzy random variables, J. Math. Anal.
Appl. 114 (1986), 409-422.
[6] S. Seikkala, On the fuzzy initial value problem, Fuzzy Sets and
Systems 24 (1987), 319-330.
[7] J. Stoer and R. Bulirsch, Introduction to Numerical Analysis, 2nd
ed., Springer-Verlag, 1993.
[8] L. A. Zadeh, The concept of a linguistic variable and its
application to approximate reasoning, Inform. Sci. 8 (1975),
199-249.
[9] H. J. Zimmerman, Fuzzy Set Theory and its Applications, Kluwer
Academic, New York, 1996.