00315nam a2200109Ia 4500082001700000100003800017245005300055260004800108300001600156500000500172700002800177  a516bB694.RP  aBoltjansky, V. G. and Gohberg, I.  aResults and problems in combinatorial geometryb  aCambridgebCambridge University Pressc1985  a108p. Bibl.  a  aGohberg, I. ; jt. auth.