TY - JOUR AU - Takenori Nakano AU - Noboru Ohyama AU - Chushiro Hayashi BT - Progress of Theoretical Physics DA - Jan-06-1968 DO - 10.1143/PTP.39.1448 PY - 1968 SP - 1448 EP - 1467 T2 - Progress of Theoretical Physics TI - Rapid Contraction of a Protostar to the Stage of Quasi-Hydrostatic Equilibrium. I—-The Case of One Solar Mass without Radiation Flow—- UR - http://ptp.oxfordjournals.org/content/39/6/1448.full.pdf+html VL - 39 SN - 0033-068X ER -