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- [24] DIRECT ALGEBRAIC SOLUTIONS OF LINEAR-DIFFERENTIAL EQUATIONS USING WALSH TRANSFORMS IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1975, CA22 (05): : 419 - 422
- [28] DESCRIPTION OF THE OBSERVABLE SUBGROUPS OF LINEAR ALGEBRAIC-GROUPS MATHEMATICS OF THE USSR-SBORNIK, 1988, 137 (1-2): : 97 - 108
- [29] GALOIS GROUPS AND ELEMENTARY SOLUTIONS OF SOME LINEAR-DIFFERENTIAL EQUATIONS JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1979, 307 : 1 - 7