APA (7th ed.) Citation

Liu, J. (1999). ϵ-properly efficient solutions to nondifferentiable multiobjective programming problems. Applied mathematics letters, 12(6), 109-113. https://doi.org/10.1016/S0893-9659(99)00087-7

Chicago Style (17th ed.) Citation

Liu, Jen-Chwan. "ϵ-properly Efficient Solutions to Nondifferentiable Multiobjective Programming Problems." Applied Mathematics Letters 12, no. 6 (1999): 109-113. https://doi.org/10.1016/S0893-9659(99)00087-7.

MLA (9th ed.) Citation

Liu, Jen-Chwan. "ϵ-properly Efficient Solutions to Nondifferentiable Multiobjective Programming Problems." Applied Mathematics Letters, vol. 12, no. 6, 1999, pp. 109-113, https://doi.org/10.1016/S0893-9659(99)00087-7.