TY - JOUR AU - David Hummer BT - Journal of Quantitative Spectroscopy and Radiative Transfer DA - Jan-09-1983 DO - 10.1016/0022-4073(83)90064-X PY - 1983 SP - 281 EP - 287 T2 - Journal of Quantitative Spectroscopy and Radiative Transfer TI - The generalized exponential-integral and computer algorithms for y = 0, 1 VL - 30 SN - 00224073 ER -