%0 Journal Article %A A. G. Pinus %T On the elementary equivalence of derived structures of free lattices %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2002 %P 44-47 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2002_5_a5/ %G ru %F IVM_2002_5_a5