▁G hy ka ' s ▁ideas ▁on ▁the ▁mathematical ▁relationships ▁between ▁classical ▁art ▁and ▁the ▁human ▁body . ▁ ▁Works ▁Cont es ▁mar éc age ux ; ▁un pub lished ▁ju ven ilia ▁c 1 9 0 0 . ▁Est h étique ▁des ▁proport ions ▁dans ▁la ▁nature ▁et ▁dans ▁les ▁arts ▁( 1 9 2 7 ) ▁( print ed ▁in ▁Italian , ▁Russian , ▁Spanish ) ▁Le ▁nombre ▁d ' or . ▁R ites ▁et ▁r yth mes ▁p yth ag or ici ens ▁dans ▁le ▁development ▁de ▁la ▁civil isation ▁occident ale ▁( 1 9 3 1 ) ▁which ▁ran ▁into ▁many ▁ed itions ▁and ▁was ▁pre fac ed ▁by ▁his ▁friend ▁and ▁adm ir er ▁Paul ▁Val é ry ▁( trans l ated ▁into ▁Italian , ▁Czech , ▁Spanish , ▁Polish , ▁English ) ▁Pl u ie ▁d ' é to iles ▁( 1 9 3 3 ) ▁( English ▁as ▁Again ▁One ▁Day , ▁ 1 9 3 6 ) ▁- ▁the ▁only ▁novel ▁G hy ka ▁wrote , ▁printed ▁also ▁in ▁Roman ian ▁Ess ai ▁sur ▁le ▁r yth me ▁( 1 9 3 8 ) ▁Sort il è ges ▁du ▁ver be ▁( 1 9 4 9 ), ▁pre fac ed ▁by ▁Lé on - Paul ▁F arg ue ▁A ▁Document ed ▁Chron ology ▁of ▁Rou man ian ▁History ▁from ▁Pre - histor ic ▁Times ▁to ▁the ▁Pres ent ▁Day ▁( 1 9 4 1 ), ▁printed ▁also ▁in ▁Roman ian ▁The ▁Ge ometry ▁of ▁Art