Milnor, J.:
   1. Construction of universal bundles: I, Ann. Math., (2)63:272-284 (1956).
   2. Construction of universal bundles: II, Ann. Math., (2)63: 430-436 (1956).
   3. On manifolds homeomorphic to the 7-sphere, Ann. Math., (2)64: 399-405
      (1956).
   4. The theory of characteristic classes, mimeographed, Princeton University,
      Princeton, N.J., 1957.
Milnor, J., and M. A. Kervaire:
   1. Bernoulli numbers, homotopy groups, and a theorem of Rohlin, Proc. Intern.
      Congr. Math., 1958.
Milnor, J., and E. Spanier:
   1. Two remarks on fibre homotopy type, Pacific J. Math., 10: 585-590 (1960).

documentclass{article}
usepackage{filecontents}

begin{filecontents*}{jobname.bib}
@book{fruits,
  title = {The apple and the banana},
  publisher = {Tomatopress},
  editor = {Straw Berry},
  author = {Annoying Orange},
  year = {1970}
}
@book{fruits2,
  title = {The pineapple and the banana},
  publisher = {Tomatopress},
  editor = {Straw Berry},
  author = {Annoying Orange},
  year = {1971}
}
@book{fruits3,
  title = {The mangos and the banana and other tropical fruits},
  publisher = {Tomatopress},
  editor = {Straw Berry},
  author = {Annoying Orange and Peachy Pear},
  year = {1970}
}
end{filecontents*}


usepackage[utf8]{inputenc}
usepackage[firstinits]{biblatex}

addbibresource{jobname.bib}

makeatletter
newcommand{@currentauthor}{}
newcommand{@current}{}
newcounter{@mybibcounter}
setcounter{@mybibcounter}{0}

AtEveryBibitem{%
  savename{labelname}{@current}%
  ifdefstrequal{@currentauthor}{@current}
    {par}
    {setcounter{@mybibcounter}{0}item[]%
      printnames[last-first/first-last]{labelname}]par}%
    usedriver{}{special}%
    refstepcounter{@mybibcounter}expandafterlabel{thefield{entrykey}}%
    makebox[0em][r]{the@mybibcounter. }%
}

DeclareBibliographyDriver{special}{%
savename{labelname}{@currentauthor}%
}
makeatother

renewbibmacro{editor+others}{}
renewbibmacro{author/translator+others}{}
renewbibmacro{author/editor+others/translator+others}{}

defbibenvironment{bibliography}
  {list
    {}
    {setlength{itemindent}{-3em}%
      setlength{leftmargin}{3em}%
      setlength{itemsep}{bibitemsep}%
      setlength{parsep}{bibparsep}}}
  {endlist}
  {}

DeclareCiteCommand{cite}
  {}
  {printnames{labelname}~mkbibbrackets{ref{thefield{entrykey}}}}
  {addcommaaddspace}
  {}

begin{document}
Hello world cite{fruits,fruits2,fruits3}.

printbibliography

end{document}