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- [5] LIE-BACKLUND TRANSFORMATIONS FOR THE MADELUNG QUANTUM FLUID PHYSICAL REVIEW D, 1984, 30 (10): : 2128 - 2135
- [9] LIE-BACKLUND GROUPS AND SUPERSYMMETRY SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR, 1979, 30 (01): : 142 - 143
- [10] DIFFERENTIAL CONSTRAINTS AND ONE-PARAMETER GROUPS OF LIE-BACKLUND TRANSFORMATIONS DOKLADY AKADEMII NAUK SSSR, 1983, 271 (01): : 42 - 46