@article{AFM_1986_11_2_a7,
     author = {Kaisa Nyberg},
     title = {Splitting twisted sums of nuclear {K\"othe} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {233--237},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1986},
     doi = {10.5186/aasfm.1986.1115},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1986.1115/}
}