TY - JOUR AU - A. I. Khrabrov TI - Injective proofs of log concavity for some combinatorial sequences JO - Zapiski Nauchnykh Seminarov POMI PY - 2022 SP - 173 EP - 191 VL - 518 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2022_518_a5/ LA - ru ID - ZNSL_2022_518_a5 ER -