TY - JOUR AU - Agarwal, Ravi P. PY - 2011 DA - 2011/04/13 TI - Editorial announcement JO - Advances in Difference Equations SP - 1 VL - 2011 IS - 1 SN - 1687-1847 UR - https://doi.org/10.1186/1687-1847-2011-1 DO - 10.1186/1687-1847-2011-1 ID - Agarwal2011 ER -