On an eigenvalue and eigenfunction problem of the equation $\Delta u+łambda u=0$
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Kodai Mathematical Journal
سال: 1957
ISSN: 0386-5991
DOI: 10.2996/kmj/1138843935