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Elliptic differential equation

class of second-order linear partial differential equations

Pronunciation
/ɪˈlɪptɪk ˌdɪfəˈrɛntʃəl əˈkweɪʒən/
/ɪˈlɪptɪk ˌdɪfəˈrɛnʃəl ɪˈkweɪʒən/