. . "Garrett D. Birkhoff" . "G. Birkgof" . "Birkgoff" . "バーコフ" . . "1911-01-19" . . "G. Birkhof" . . "Birkhoff-" . . "Г. Биркгоф" . "Garret Birkgoff" . . "Mathematician, United States Garrett Birkhoff" . . "G." . "Garrett Birkhoff" . . "Mathematiker, USA Garrett Birkhoff" . "Garrett Birkhoff"@pl-PL . "GARRETT BIRKHOFF" . . "Garrett" . "D." . . "Birkhoff, Garrett 1911-" . "1911- Garrett Birkhoff" . "Birkhoff, Garrett Mathematician, United States" . . "Garret" . . . "Birkhoff"@fr-FR . "Garrett D." . "Г Биркгоф" . . "Birkhoff" . "Birkhoff, Garrett Mathematiker, USA" . . . "Birkoof" . "G. Birkhoff"@nl-NL . "Garrett" . "Birkhoff, Garrett Mathématicien, Etats-Unis" . . . . "G. Birkhoff" . "Garrett Birkhoff-" . "Г. Биркгоф" . "Garrett D. Birkhoff" . "1996-11-22" . "American mathematician" . . "Birkgof" . "Г" . "G. Birkoof" . "Birkhoff" . . "Garret Birkgof" . "Г." . . "Birkhof" . "Гаррет Биркгоф" . "Биркгоф" . "Гаррет Биркхоф" . "G. バーコフ" . "Garret Birkgoff" . . "Гаррет" . "Mathématicien, Etats-Unis Garrett Birkhoff" . "BIRKHOFF" . "Birkhoff, G. (Garrett)" . "GARRETT" . "Гаррет Біркгоф" . "Birkhoff Garrett" .