TY - BOOK ID - 127813068 TI - Unsolved and unsolvable problems in geometry. AU - Meschkowski, Herbert AU - Burlak, Jane A. C. PY - 1966 PB - New York (N.Y.) : Ungar, DB - UniCat KW - Geometry KW - Geometry KW - Famous problems. KW - Problems, exercises, etc. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127813068 AB - ER -