共 8 条
[1]
GOURSAT, 1927, COURS ANAL, V3, P523
[2]
GOURSAT, 1927, COURS ANAL, V2, P182
[3]
KELLOG, 1929, FDN POTENTIAL THEORY
[4]
KELLOG, 1926, B AM MATH SOC, V32, P601
[5]
MORSE, 1925, T AM MATH SOC, V27, P356
[6]
OSGOOD, 1913, T AM MATH SOC, V14, P277
[7]
RIQUIER, 1910, SYSTEMES EQUATIONS D, pCH2
[8]
1928, J MATH PURES APPL, V7, P93