TY - JOUR TI - Book Reviews JO - Mathematica Bohemica PY - 1997 SP - 221 EP - 224 VL - 122 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.125915/ DO - 10.21136/MB.1997.125915 LA - en ID - 10_21136_MB_1997_125915 ER -