A+ CATEGORY SCIENTIFIC UNIT

Nouvelles remarques sur l'équation différentielle u'' + a(t)u = 0

Volume 6 / 1959

Z. Opial Annales Polonici Mathematici 6 (1959), 74-81 DOI: 10.4064/ap-6-1-74-81

Authors

  • Z. Opial

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