@article{10_4064_sm_33_1_93_108,
     author = {Jerzy Kijowski},
     title = {Existence of differentiable structure in the set of submanifolds. {An} attempt of geometrization of calculus of variations},
     journal = {Studia Mathematica},
     pages = {93--108},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1969},
     doi = {10.4064/sm-33-1-93-108},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-33-1-93-108/}
}