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@article{BUMI_2006_8_9A_2_a18, author = {Nicola, Fabio}, title = {Stime dal basso per operatori pseudodifferenziali}, journal = {Bollettino della Unione matematica italiana}, pages = {263--265}, publisher = {mathdoc}, volume = {Ser. 8, 9A}, number = {2}, year = {2006}, zbl = {1215.35177}, language = {it}, url = {http://geodesic.mathdoc.fr/item/BUMI_2006_8_9A_2_a18/} }
Nicola, Fabio. Stime dal basso per operatori pseudodifferenziali. Bollettino della Unione matematica italiana, Série 8, 9A (2006) no. 2, pp. 263-265. http://geodesic.mathdoc.fr/item/BUMI_2006_8_9A_2_a18/
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