TY  - JOUR
T1  - Covariance function of a bivariate distribution function estimator for left truncated and right sensored data
A1  - Gijbels, I.
A1  - Gurler, U.
JA  - Statistica Sinica
Y1  - 1998
VL  - 8
SP  - 1219
EP  - 1232
N1  - made it ISI
ER  -