In 1976 he returned to France and worked as professor at Pierre and Marie Curie University until 1980 and at CNRS between 1981 and 1984.
ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɪks hiː ɹᵻtˈɜːnd tə fɹˈæns ænd wˈɜːkt æz pɹəfˈɛsɚɹ æt pɪˈɛɹ ænd mɚɹˈiː kjˈʊɹɹi jˌuːnɪvˈɜːsᵻɾi ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi ænd æt sˌiːˌɛnˌɑːɹɹˈɛs bᵻtwˌiːn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn ænd nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈoːɹ.