共 4 条
[1]
Cannon J.R.(1973)undefined SIAM J. Appl. Math. 24 298-314
[2]
Iskenderov A.D.(1974)undefined Differents. Uravn. 10 890-898
[3]
Lorenzi A.(1985)undefined Ann. di Mat. Pura ed Appl. 142 145-169
[4]
Denisov A.M.(1999)undefined Differents. Uravn. 35 926-934