@article{ZNSL_2011_394_a7,
     author = {D. Yu. Eliseev and A. N. Panov},
     title = {Tangent cones of {Schubert} varieties for $A_n$ of lower rank},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {218--225},
     publisher = {mathdoc},
     volume = {394},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2011_394_a7/}
}