00378nam a2200121Ia 4500008004100000040001700041082002200058100001700080245005800097260003200155300001400187650005500201190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta519.1bU86I  aUpensky, J V 0aIntroduction to mathematical probabilitycJ V Upensky  aNew YorkbMcGraw-Hillc1937  aix, 411p.  aProbabilities; Mathematics; Differential equations