pˈæŋ ænd stˈuːɚt tˈuː θˈaʊzənd ˈeɪt "dˌɪfɚɹˈɛnʃəl vˌɛɹɪˈeɪʃənəl ɪniːkwˈɔlᵻɾiz", mˌæθɪmˈæɾɪkəl pɹˈoʊɡɹæmɪŋ, vˈɑːl. wˈʌnhˈʌndɹɪd θˈɜːtiːn, nˈoʊ. tˈuː, sˈɪɹiz ˈeɪ, θɹˈiːhˈʌndɹɪd fˈoːɹɾi fˈaɪv fˈoːɹhˈʌndɹɪd twˈɛnti fˈoːɹ.
Pang and Stewart (2008) "Differential Variational Inequalities", Mathematical Programming, vol. 113, no. 2, Series A, 345–424.