"an algebraic equation of the fourth degree"@en-us . . . . "fourth power"@en-us . . . . . . . . . . "112957759"@en-us . . . "109886612"@en-us . "quartic"@en-us . . "13731356-n"^^ . . . "an algebraic equation of the fourth degree"@en-us . "113731356"^^ . . "0"^^ . "biquadrate"@en-us . . . "biquadrate"^^ . "biquadratic"@en-us . "0"^^ . . . .