@Article{TALN-2006-BF-TCS,
 author       = {Denis B\'echet and Annie Foret},
 title        = {k-Valued non-associative {L}ambek grammars are learnable
                 from generalized functor-argument structures},
 journal      = {Theoretical Computer Science},
 volume       = {355},
 number       = {2},
 pages        = {139--152},
 year         = 2006,
 ISSN         = {0304-3975},
 DOI          = {10.1016/j.tcs.2006.01.006}
}