Monographs, advanced texts and surveys in pure and applied mathematics ; Monographs and textbooks in pure and applied mathematics ; Monographs and textbooks in pure and applied mathematics. International series in pure and applied mathematics Interscience tracts in pure and applied mathematics ; International series in pure and applied mathematics. Interscience trace in pure and applied mathematics ; Interscience tracts in pure and applied mathematics Interscience tracts in pure and applied mathematics. International series in pure and aplied mathematics