@incollection{JEDP_2000____A18_0,
     author = {Suslina, Tatiana},
     title = {Absolute continuity of the spectrum of periodic operators of mathematical physics},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {18},
     pages = {1--13},
     publisher = {Universit\'e de Nantes},
     year = {2000},
     language = {en},
     url = {http://archive.numdam.org/item/JEDP_2000____A18_0/}
}