TY - JOUR AU - Sreelatha Chandragiri TI - Counting lattice paths by using difference equations with non-constant coefficients JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2023 SP - 55 EP - 70 VL - 44 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIGUM_2023_44_a4/ LA - en ID - IIGUM_2023_44_a4 ER -