TY - JOUR AU - Chakraborty, Kalyan AU - Hoque, Azizul TI - Exponent of class group of certain imaginary quadratic fields JO - Czechoslovak Mathematical Journal PY - 2020 SP - 1167 EP - 1178 VL - 70 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0289-19/ DO - 10.21136/CMJ.2020.0289-19 LA - en ID - 10_21136_CMJ_2020_0289_19 ER -