wiː ɡˈɪv ðə slˈaɪtli sˈɪmplɚ bˌʌt ᵻsˈɛnʃəli ɪkwˈɪvələnt ɡɹˈæfɪkəl dˌɛfɪnˈɪʃən ʌv zæslˈævski nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn, ɛkspɹˈɛst ɪn tˈɜːmz ʌv ɡˈeɪn ɡɹˈæfz.
We give the slightly simpler (but essentially equivalent) graphical definition of Zaslavsky (1991), expressed in terms of gain graphs.