On a non-vanishing Ext
Rendiconti del Seminario Matematico della Università di Padova, Volume 109 (2003), p. 235-239
@article{RSMUP_2003__109__235_0,
     author = {Fuchs, Laszlo and Shelah, Saharon},
     title = {On a non-vanishing Ext},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {109},
     year = {2003},
     pages = {235-239},
     zbl = {1073.13005},
     mrnumber = {1997989},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2003__109__235_0}
}
Fuchs, Laszlo; Shelah, Saharon. On a non-vanishing Ext. Rendiconti del Seminario Matematico della Università di Padova, Volume 109 (2003) pp. 235-239. http://www.numdam.org/item/RSMUP_2003__109__235_0/

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