@article{RSMUP_1981__65__111_0,
     author = {Ferro, Ruggero},
     title = {An analysis of {Karp{\textquoteright}s} interpolation theorem and the notion of $k$-consistency property},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {111--118},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {65},
     year = {1981},
     mrnumber = {653287},
     zbl = {0485.03014},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1981__65__111_0/}
}