@article{PORMA_1988__45_4_115641,
     author = {Magalh\~aes, Lu{\'\i}sa},
     title = {Existence of $A_\infty $ weak homotopy equivalences between spectra for {U-bordism} with singularities},
     journal = {Portugaliae mathematica},
     pages = {399--410},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1988},
     mrnumber = {0982908},
     zbl = {0663.55003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_4_115641/}
}