@article{ASNSP_1973_3_27_3_441_0, author = {Redheffer, Ray}, title = {Absch\"atzung nach unten f\"ur L\"osungen nichtlinearer Differentialungleichungen}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, publisher = {Scuola normale superiore}, volume = {Ser. 3, 27}, number = {3}, year = {1973}, pages = {441-456}, zbl = {0302.35024}, language = {de}, url = {http://www.numdam.org/item/ASNSP_1973_3_27_3_441_0} }
Redheffer, Ray. Abschätzung nach unten für Lösungen nichtlinearer Differentialungleichungen. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 27 (1973) no. 3, pp. 441-456. http://www.numdam.org/item/ASNSP_1973_3_27_3_441_0/
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