http://dewey.info/scheme/a14/ en
530.1 Theories and mathematical physics
530.11 Relativity theory
http://dewey.info/scheme/a14/ vi
530.1 Lý thuyết và vật lý toán
530.11 Thuyết tương đối
http://dewey.info/scheme/a14/ it
530.1 Teorie e fisica matematica
530.11 Teoria della relatività
http://dewey.info/scheme/edition/e23/ en
530.1 Theories and mathematical physics
530.11 Relativity theory
http://dewey.info/scheme/edition/e22/ de
530.1 Theorien und mathematische Physik
530.11 Relativitätstheorie
Dewey Decimal Classification
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