@article{AA_2003_15_1_a6,
     author = {L. Escauriaza and G. Seregin and V. \v{S}verak},
     title = {Backward uniqueness for the heat operator in half-space},
     journal = {Algebra i analiz},
     pages = {201--214},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2003_15_1_a6/}
}