@article{CM_1971__23_4_407_0,
     author = {Kleiman, Steven L. and Landolfi, John},
     title = {Geometry and deformation of special {Schubert} varieties},
     journal = {Compositio Mathematica},
     pages = {407--434},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {23},
     number = {4},
     year = {1971},
     mrnumber = {314855},
     zbl = {0238.14006},
     language = {en},
     url = {http://www.numdam.org/item/CM_1971__23_4_407_0/}
}