35Q34 — 2 results found.
C. R. Math. Rep. Acad. Sci. Canada Vol. 25 (4) 2003, pp. 102–107
O.I. Bogoyavlenskij (Received: 2003/02/14) C. R. Math. Rep. Acad. Sci. Canada Vol. 24 (4) 2002, pp. 138–143
O.I. Bogoyavlenskij (Received: 2002/04/12)

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