Cita APA (7th ed.)

Frey, J., & Howard, B. (1987). AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES.

Cita Chicago (17th ed.)

Frey, J., i B. Howard. AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES. 1987.

Cita MLA (9th ed.)

Frey, J., i B. Howard. AN ACCURATE CALCULATION OF THE GROUND-STATE ENERGY OF THE HELIUM ATOM AND THE HYDROGEN NEGATIVE-ION USING HYPERSPHERICAL COORDINATES. 1987.