TY - JOUR AU - Trojovský, Pavel TI - On divisibility of the class number $h^+$ of the real cyclotomic fields $\Bbb Q(\zeta _p+\zeta _p^{-1})$ by primes $q < 10000$ JO - Mathematica slovaca PY - 2000 SP - 541 EP - 555 VL - 50 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_2000__50_5_a4/ LA - en ID - MASLO_2000__50_5_a4 ER -