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- [5] GENERALIZATION OF INITIAL VALUE PROBLEMS IN LINEAR SYSTEMS OF ORDINARY DIFFERENTIAL EQUATIONS JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1969, 239 : 287 - &
- [10] GENERALIZATION OF A BOCHNER THEOREM ON EIGENFUNCTION EXPANSIONS FOR PARTIAL DIFFERENTIAL EQUATIONS DOKLADY AKADEMII NAUK SSSR, 1956, 110 (06): : 893 - 896