1. Optimal tests for elliptical symmetry;Babić;Bernoulli,2022
2. Bowman, A. W., Azzalini, A., 2021. R package sm: nonparametric smoothing methods (version 2.2-5.7). University of Glasgow, UK and Università di Padova, Italia. http://www.stats.gla.ac.uk/~adrian/sm/.
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4. A distribution-free test for regression parameters;Daniels;Ann. Math. Statist.,1954
5. Genest, M., Masse, J.-C., 2019. src/depth.f contains eigen, J.F.P., tql2, tred2 written by the EISPLACK authors, dgedi, dgefa from LINPACK written by Cleve Moler, daxpy, dscal, dswap, idamax from LINPACK written by Jack Dongarra, from NAPACK, V., written by J. C. Gower, A.., written by F. K. Bedall, A.., Zimmermann, H., written by P.J. Rousseeuw, A.., Ruts., I., depth: Nonparametric Depth Functions for Multivariate Analysis. R package version 2.1-1.1.