Agranovich–Dynin formula

In mathematics, the Agranovich–Dynin formula is a formula for the index of an elliptic system of differential operators, introduced by Agranovich and Dynin (1962).

References

Dynin, A. S.; Agranovich, M. S. (1962), "General boundary-value problems for elliptic systems in higher-dimensional regions", Doklady Akademii Nauk SSSR 146: 511–514, ISSN 0002-3264, MR 0140820

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