共 42 条
[22]
Escobedo M., 1999, Rend. Mat. Appl., V19, P211
[23]
Hewitt Edwin, 1969, Real and Abstract Analysis. A Modern Treatment of the Theory of Functions of a Real Variable
[25]
On positive solutions of indefinite elliptic equations
[J].
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE,
2001, 333 (06)
:533-538
[26]
Il'yasov Y., 2017, BRANCHES POSITIVE SO