We prove that if P(D)=P(D1,D2)=∑αγαD1α1D2α2 is almost hippoelliptic regular operator, then for enough small δ>0, all solutions of equation P(D)u=0 from L2,δ(R2) are entire analytical functions.
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Mathematics
, 2025, Issue 1, pp. 1–10
ISSN Online: 0000-0000
DOI:
10.xxxx/example-doi