TY - BOOK AU - Valtonen,Mauri TI - Three-body problem from pythagoras to Hawking SN - 9783319227252 (alk. paper) U1 - 521 V249T 23 PY - 2016/// CY - Switzerland PB - Springer-Nature KW - Three body problem KW - Pythagoras KW - Hawking ER -