B A Kupershmidt, “Hydrodynamical reductions of the lattice KP hierarchy”, J. Phys. A: Math. Gen., 25:11 (1992), L673
М. В. Павлов, С. П. Царев, “О законах сохранения уравнений Бенни”, УМН, 46:4(280) (1991), 169–170 ; M. V. Pavlov, S. P. Tsarev, “On conservation laws of Benney equations”, Russian Math. Surveys, 46:4 (1991), 196–197
С. П. Царев, “Геометрия гамильтоновых систем гидродинамического типа. Обобщенный метод годографа”, Изв. АН СССР. Сер. матем., 54:5 (1990), 1048–1068 ; S. P. Tsarev, “The geometry of Hamiltonian systems of hydrodynamic type. The generalized hodograph method”, Math. USSR-Izv., 37:2 (1991), 397–419
John Gibbons, Boris A. Kupershmidt, “Connections between free-surface systems of hydrodynamical type and generalized kinetic equations”, Physics Letters A, 144:4-5 (1990), 211
B A Kupershmidt, “The quasiclassical limit of the modified KP hierarchy”, J. Phys. A: Math. Gen., 23:6 (1990), 871
Boris A. Kupershmidt, “Factorization of quasiclassical integrable systems”, Physica D: Nonlinear Phenomena, 44:3 (1990), 565
Б. А. Дубровин, С. П. Новиков, “Гидродинамика слабо деформированных солитонных решеток. Дифференциальная геометрия и гамильтонова теория”, УМН, 44:6(270) (1989), 29–98 ; B. A. Dubrovin, S. P. Novikov, “Hydrodynamics of weakly deformed soliton lattices. Differential geometry and Hamiltonian theory”, Russian Math. Surveys, 44:6 (1989), 35–124
Yuji Kodama, “Exact solutions of hydrodynamic type equations having infinitely many conserved densities”, Physics Letters A, 135:3 (1989), 171
John Gibbons, Boris A. Kupershmidt, “Kinetic representation of the KP hierarchy”, Physics Letters A, 139:3-4 (1989), 141
Yuji Kodama, John Gibbons, “A method for solving the dispersionless KP hierarchy and its exact solutions. II”, Physics Letters A, 135:3 (1989), 167