@article{CML_2011__3_3_361_0,
     author = {Brenier, Yann},
     title = {A modified least action principle allowing mass concentrations for the early universe reconstruction problem
},
     journal = {Confluentes Mathematici},
     pages = {361--385},
     publisher = {World Scientific Publishing Co Pte Ltd},
     volume = {3},
     number = {3},
     year = {2011},
     doi = {10.1142/S1793744211000400},
     language = {en},
     url = {http://www.numdam.org/articles/10.1142/S1793744211000400/}
}