This article is cited in 2 papers

Partial Differential Equations

On the index of first-order elliptic operators in the plane

S. Baizaev^a, È. Muhamadiev<sup>b

a</sup> Tajik State University
^b Mathematics Institute and Computing Center, Academy of Sciences of the Republic of Tadzhikistan

UDC: 517.95

Received: 28.03.1991

 English version: Differential Equations, 1992, 28:5, 663–672

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