References
- Gurevich , A G and Pitaevskii , L P . 1973 . JEPT Letters , 17 : 193 – 195 .
- Lax , P D and Levermore , C D . 1983 . Comm. Pure Appl. Math. , 36 : 253 – 290 . 571–593, 809–830
- Venakides , S . 1985 . Comm. Pure Appl. Math. , 38 : 125 – 155 .
- Dubrovin , B A , Matveev , V B and Novikov , S P . 1976 . Russian Math. Surveys , 31 ( 1 ) : 55 – 136 .
- Whitham , G B . 1974 . Linear and Nonlinear Waves , New York : J. Wiley .
- Flaschka , H , Forest , M and McLaughlin , D H . 1980 . Comm. Pure App. Math. , 33 : 739 – 784 .
- Levermore , C D . 1988 . Comm. Partial Differential Equations , 13 : 495 – 514 .
- Dubrovin , B and Novikov , S P . 1989 . Russian Math. Surveys , 44 ( 6 ) : 35 – 124 .
- Tsarev , S P . 1985 . Soviet Math. Dokl. , 31 : 488 – 491 .
- Krichever , I M . 1988 . Funct. Anal. Appl. , 22 : 200 – 213 .
- Tian , F R . 1994 . Comm. Math. Phys. , 166 : 79 – 115 .
- Fei , Ran Tian . 1993 . Comm. Pure App. Math. , 46 : 1093 – 1129 .
- Grava T (in preparation)
- Grava , T . 1999 . Russ. Math. Surveys , 54 ( 2 ) : 169
- Potemin , G V . 1988 . Uspekhi Mat. Nauk , 43 ( 5 ) : 211 – 212 .