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5
Inverse and Improperly Posed Problems in Differential Equat..
Proceedings of the Conference on Mathematical and Numerical...
Mathematical Research ; 1, Mathematische Forschung
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9
Bulletin of Pan American Union. [Volume LXXVI. January-June..
United States congressional serial set ; serial set no. 10739;House document / 77th Congress, 2nd session. House ; no. 555, pt. 1, 2, 3, 4, 5 & 6
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10
Annual report of the Board of Regents of the Smithsonian In..
United States congressional serial set ; serial set no. 1785;Mis. doc. / 45th Congress, 2nd session. Senate ; no. 35
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13
Memoirs of the National Academy of Sciences. Vol. XVII
United States congressional serial set ; serial set no. 8258;Senate document / 68th Congress, 1st session. Senate ; no. 77
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14
Peacebuilding in Language Education
Innovations in Theory and Practice
New Perspectives on Language and Education ; 83