{
  "source_id": "10.3176/phys.math.1978.2.02",
  "archive": "Estonian Academy Publishers archive (kirj.ee)",
  "publisher": "Estonian Academy Publishers",
  "journal": "Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics",
  "journal_original": "Известия Академии наук Эстонской ССР. Физика. Математика",
  "year": 1978,
  "volume": "27",
  "issue": "2",
  "pages": "132–141",
  "first_page": 132,
  "last_page": 141,
  "title": "ИНТЕГРАЛЫ ВОЛНОВЫХ УРАВНЕНИЙ В ПРОСТРАНСТВЕ-ВРЕМЕНИ С МЕТРИКОЙ ПЛОСКОЙ ГРАВИТАЦИОННОЙ ВОЛНЫ",
  "title_en": null,
  "authors": [
    "Väino Unt"
  ],
  "language": "Russian",
  "language_evidence": "crossref language=ru + Cyrillic (Russian) title",
  "doi": "10.3176/phys.math.1978.2.02",
  "landing_page": "https://kirj.ee/proceedings-of-the-academy-of-sciences-of-the-estonian-ssr-physics-mathematics/?filter[year]=1978&filter[issue]=840&filter[publication]=6743",
  "pdf_url": "https://kirj.ee/wp-content/plugins/kirj/pub/phys.math-2-1978-132-141_20230427171824.pdf",
  "license": "CC BY 4.0",
  "license_url": "http://creativecommons.org/licenses/by/4.0/",
  "license_evidence": "crossref license field (publisher policy page says CC BY-NC 4.0; see notes)",
  "license_notice": "Translated from Russian. Original: Väino Unt, “Интегралы волновых уравнений в пространстве-времени с метрикой плоской гравитационной волны”, Proceedings of the Academy of Sciences of the Estonian SSR. Physics. Mathematics, 1978, vol. 27 no. 2, pp. 132–141, https://doi.org/10.3176/phys.math.1978.2.02. Published by Estonian Academy Publishers; license CC BY 4.0 (http://creativecommons.org/licenses/by/4.0/) as deposited with Crossref by the publisher (the publisher's policy page names CC BY-NC 4.0). Changes: translated into English.",
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  "record_url": "https://api.crossref.org/works/10.3176/phys.math.1978.2.02",
  "record_source": "harvested 2026-10-14 from the publisher's API"
}