Stochastic Non-Smooth Envelopment of Data: Semiparametric Frontier Estimation subject to Shape Constraints
: Timo Kuosmanen, Mika Kortelainen
: 2012
: Journal of Productivity Analysis
: 38
: 1
: 11
: 28
: https://link.springer.com/article/10.1007/s11123-010-0201-3