@article{CM_1987__61_3_295_0,
     author = {Clauwens, F. J.-B. J.},
     title = {The $K$-groups of $\lambda $-rings. {Part} {I.} {Construction} of the logarithmic invariant},
     journal = {Compositio Mathematica},
     pages = {295--328},
     publisher = {Martinus Nijhoff Publishers},
     volume = {61},
     number = {3},
     year = {1987},
     zbl = {0626.18008},
     language = {en},
     url = {http://www.numdam.org/item/CM_1987__61_3_295_0/}
}