. . . "J." . "John Ap Ap Robert" . "Ap" . "J. A., mathematician" . "Ap-Robert" . "John" . "J. A." . "A" . "John Ap Robert A." . "J. A. (John Ap Robert)" . "j. A." . "Ap Robert" . . "John Ap-Robert" . "A." . "Ap Robert" . "Mathematician J. A." . "J. A"@en-AU . "JA" . "mathematician J. A." . . "J. A" . . "J. A., Mathematician" . "(Mathematician)" . "j." .