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- [1] NONLINEAR PLASMA THEORY - OHMS LAW (3RD DEGREE) IN FIELD STRENGTHS AND NONLINEAR AMPLITUDE EQUATIONS - 4-WAVE INTERACTION ACTA PHYSICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1975, 39 (03): : 155 - 165
- [2] ON A CLASS OF NONLINEAR DIFFERENTIAL EQUATIONS OF 3RD ORDER COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1968, 266 (03): : 138 - &
- [4] OSCILLATING PERIODIC-SOLUTIONS OF 3RD ORDER NONLINEAR DIFFERENTIAL-EQUATIONS INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1992, 23 (11): : 777 - 782