@article{GDZPPN002462435, title = {On a Use of Stratified Sampling in Optimal Estimation.}, journal = {Metrika}, volume = {35}, year = {1988}, pages = {233-239}, zbl = {0638.62005}, url = {http://dml.mathdoc.fr/item/GDZPPN002462435} }
Arnab, R. On a Use of Stratified Sampling in Optimal Estimation.. Metrika, Tome 35 (1988) pp. 233-239. http://gdmltest.u-ga.fr/item/GDZPPN002462435/